#include <iostream>
#include <fstream>

using namespace std;

int n, t;
int pow[] = {0, 1, 5, 2, 8, 3, 0, 1, 5, 2, 8, 3, 9, 2, 8, 7, 7, 8, 2,
9, 5, 0, 6, 9, 5, 4, 4, 5, 9, 6, 2, 7, 3, 6, 2, 1, 1, 2, 6, 3, 9, 4, 0, 3, 9,
8, 8, 9, 3, 0, 6, 1, 7, 0, 6, 5, 5, 6, 0, 7, 3, 8, 4, 7, 3, 2, 2, 3, 7, 4, 0, 5,
1, 4, 0, 9, 9, 0, 4, 1, 7, 2, 8, 1, 7, 6, 6, 7, 1, 8, 4, 9, 5, 8, 4, 3, 3, 4, 8,
5, 1, 6, 2, 5, 1, 0};

ofstream g("cifra.out");

void read(){
    ifstream f("cifra.in");
    f >> t;
    for(int i=1; i<=t; i++){
        f >> n;
        g << pow[i%100] << "\n";
    }
}

int main()
{
    read();
    return 0;
}