#include <fstream>
#include <string.h>
using namespace std;

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

int main() {
    int t, v[] = {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[102];

    in >> t;
    for(int q = 0; q < t; q++) {
        in >> n;
        int len = strlen(n);
        if(len == 1)
            out << v[n[0]- '0'] << '\n';
        else
            out << v[n[len-1]-'0' + 10*(n[len-2]-'0')] << '\n';
    }
}