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

int main()
{
    ifstream f("cifra.in");
    ofstream fout("cifra.out");
    int a[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};
    long long t, n, i=0;
    char b[100000];
    f >> t;
    f.get();

    while(i<t)
    {
        f.getline(b, 100000);
        n=atoi(b);
        fout << a[n%100] << endl;
        i++;
    }


    return 0;
}