#include <iostream>
#include <fstream>
#include <cstring>
using namespace std;
ofstream g("cifra.out");
const int vec[]={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 main()
{
    ifstream f("cifra.in");
    char nr[110],n;
    int T;
    f>>T;
    for(int i=1;i<=T;i++)
    {
        f>>nr;
        n=nr[strlen(nr)-1]-'0';
        if(strlen(nr)>=2)
            n=n+10*(nr[strlen(nr)-2]-'0');
        g<<vec[n]<<'\n';

    }
}