#include <fstream>

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;
}