#include<iostream>
#include<string>
using namespace std;
int alfa[100][10][10]={
{{5380839,3512493,955971,138843,11349,495,9,1,0,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,0,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0}},
{{0,4782969,3720087,1240029,229635,25515,1701,64,0,0},{0,4782968,3720088,1240029,229635,25515,1701,63,1,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{0,1,4782968,3720087,1240029,229635,25515,1701,63,1},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{0,4782969,3720087,1240029,229635,25515,1701,63,1,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{0,4782969,3720087,1240029,229635,25515,1701,63,1,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{0,4782969,3720087,1240029,229635,25515,1701,63,1,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{0,4782969,3720087,1240029,229635,25515,1701,63,1,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{0,4782969,3720087,1240029,229635,25515,1701,63,1,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{0,4782969,3720087,1240029,229635,25515,1701,63,1,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{0,4782969,3720087,1240029,229635,25515,1701,63,1,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,0,1,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0}},
{{0,4782969,3720087,1240029,229635,25515,1701,64,0,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{0,4782969,3720087,1240029,229635,25515,1701,63,1,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{0,4782968,3720088,1240029,229635,25515,1701,63,1,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{0,1,4782968,3720087,1240029,229635,25515,1701,63,1},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{0,4782969,3720087,1240029,229635,25515,1701,63,1,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0}},
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{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{0,4782968,3720088,1240029,229635,25515,1701,63,1,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{0,1,4782968,3720087,1240029,229635,25515,1701,63,1},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{0,4782969,3720087,1240029,229635,25515,1701,63,1,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,0,1,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0}},
{{0,4782969,3720087,1240029,229635,25515,1701,64,0,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{0,4782969,3720087,1240029,229635,25515,1701,63,1,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{0,4782969,3720087,1240029,229635,25515,1701,63,1,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{0,4782969,3720087,1240029,229635,25515,1701,63,1,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{0,4782969,3720087,1240029,229635,25515,1701,63,1,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{0,4782969,3720087,1240029,229635,25515,1701,63,1,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{0,4782969,3720087,1240029,229635,25515,1701,63,1,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{0,4782969,3720087,1240029,229635,25515,1701,63,1,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{0,4782968,3720088,1240029,229635,25515,1701,63,1,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{0,1,4782968,3720087,1240029,229635,25515,1701,63,1},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,0,1,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{0,4782969,3720087,1240029,229635,25515,1701,63,1,0}},
{{0,4782969,3720087,1240029,229635,25515,1701,64,0,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{0,4782969,3720087,1240029,229635,25515,1701,63,1,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{0,4782969,3720087,1240029,229635,25515,1701,63,1,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{0,4782969,3720087,1240029,229635,25515,1701,63,1,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{0,4782969,3720087,1240029,229635,25515,1701,63,1,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{0,4782969,3720087,1240029,229635,25515,1701,63,1,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{0,4782969,3720087,1240029,229635,25515,1701,63,1,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{0,4782969,3720087,1240029,229635,25515,1701,63,1,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{0,4782969,3720087,1240029,229635,25515,1701,63,1,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,4782968,3720087,1240029,229635,25515,1701,63,1,0},{0,4782968,3720088,1240029,229635,25515,1701,63,1,0}},
{{4782969,3720087,1240029,229635,25515,1701,63,0,0,1},{4782968,3720088,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{4782969,3720087,1240029,229635,25515,1701,63,1,0,0},{1,0,4782968,3720087,1240029,229635,25515,1701,63,1}}};
#define FOR(i,a,b)for(i=(a);i<=(b);++i)
int main()
{
freopen("cifre.in","r",stdin);
freopen("cifre.out","w",stdout);
int A,B,C,K,ans=0,i,k;
scanf("%d %d %d %d",&A,&B,&C,&K);
int ind=A,start=(A/10000000)+1,stop=(B/10000000)-1;
FOR(i,start,stop)
FOR(k,K,9)
ans+=alfa[i][C][k];
FOR(i,A,min(start*10000000,B))
{
int nr=i,cont=0;
while(nr)
{
if(nr%10==C) ++cont;
nr/=10;
}
if(cont>=K) ++ans;
}
--i;
if(i<B)
FOR(i,max(A,((stop+1)*10000000)+1),B)
{
int nr=i,cont=0;
while(nr)
{
if(nr%10==C) ++cont;
nr/=10;
}
if(cont>=K) ++ans;
}
printf("%lf",(double)ans/(double)(B-A+1));
return 0;
}