#include <fstream>
#include <cstring>
using namespace std;
ifstream fi("cifra.in");
ofstream fo("cifra.out");
int i, t, l, nr;
char n[101];
int st[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};

int main(){
    fi >> t;
    for(i = 1; i <= t; i ++){
        fi >> n;
        l = strlen(n);
        if(l > 1){
            nr = (n[l - 2] - 48) * 10 + (n[l - 1] - 48);
        } else {
            nr = n[l - 1] - 48;
        }
        fo << st[nr] << endl;
    }
    return 0;
}