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

ifstream f("cifra.in");
ofstream g("cifra.out");

int rasp[102]={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};

char n[101];
int l;
int T;

int main()
{
    int i,poz;

    f>>T;

    for(i=1;i<=T;i++)
    {
        f>>n;
        l=strlen(n);

        if(l<2) poz=n[0]-'0';
        else poz=(n[l-2]-'0')*10+n[l-1]-'0';

        g<<rasp[poz]<<"\n";
    }

    f.close();
    g.close();
    return 0;
}