#include <iostream>
#include <fstream>
#include <cstring>
using namespace std;

int main()
{
    ifstream f("cifra.in");
    ofstream g("cifra.out");
    int sir[ ]={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 },len,i,t;
    char n[105];
    f>>t;
    while(t--)
    {
        f>>n;
        len=strlen(n);
        if(len==1)
            g<<sir[(n[0]-'0')]<<'\n';
        else
            g<<sir[(10*(n[len-2]-'0')+(n[len-1]-'0'))]<<'\n';
    }
    return 0;
}