#include <iostream>
#include <fstream>
using namespace std;
int cif[101] = {0,1,5,2,8,3,9,2,8,7,7,8,4,7,3,8,4,1,5,4,4,5,9,6,2,7,3,6,2,1,1,2,8,1,7,2,8,5,9,8,8,9,3,0,6,1,7,0,6,5,5,6,2,5,1,6,2,9,3,2,2,3,7,4,0,5,1,4,0,9,9,0,6,9,5,0,6,3,7,6,6,7,1,8,4,9,5,8,4,3,3,4,0,3,9,4,0,7,1,0};
ifstream f("cifra.in");
ofstream g("cifra.out");
int t,i,int1,int2,n,cont2,c1;
char c[102];
int main () {
f>>t;
for (c1=1;c1<=t;c1++)
{
for (cont2=0;cont2<102;cont2++) c[cont2]='x';
f>>c;
i=101;
while (c[i]<'0' || c[i]>'9') i--;
int2=c[i]-'0';
if (i>=1) int1=c[i-1]-'0';
else int1=0;
n=int1*10+int2;
g<<cif[n]<<endl;
}
f.close(); g.close();
}