#include <bits/stdc++.h>
using namespace std;
int k[101]={0,1,5,2,8,3,9,2,8,7,7,8,4,7,3,8,4,1,5,4,4,5,9,6,2,7,3,6,2,1,1,2,8,1,7,2,8,5,9,8,8,9,3,0,6,1,7,0,6,5,5,6,2,5,1,6,2,9,3,2,2,3,7,4,0,5,1,4,0,9,9,0,6,9,5,0,6,3,7,6,6,7,1,8,4,9,5,8,4,3,3,4,0,3,9,4,0,7,1,0,0};
int v[101];
int main()
{
int t,j,ok;
char c;
ios_base::sync_with_stdio(false);
ifstream in("cifra.in");
ofstream out("cifra.out");
in>>t;
ok=j=0;j=0;
while (t>0 && !in.eof()) {
in.get(c);
if (c!='\n' && !in.eof())
v[j++]=c-48,ok=1;
else
if (ok>0)
out<<k[(v[j-2]*10+v[j-1])]<<'\n',j=0,t--;
}
return 0;
}