#include<fstream>
#include<cstring>
using namespace std;
ifstream f("cifra.in");
ofstream g("cifra.out");
int n,q,i;
char z[100];
int a[]={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};
int main(){
    f>>n;
    for(i=1;i<=n;i++){
        f>>z;
        q=strlen(z);
        if(q==1)
            g<<a[(z[q-1]-'0')]<<'\n';
        else
            g<<a[(z[q-2]-'0')*10+(z[q-1]-'0')]<<'\n';
    }
    f.close();
    g.close();
    return 0;
}