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

int s[100] = {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};
char c[100];

int p(char c1, char c2)
{
    int n=0;
    if(c1) n=(c1-'0')*10;
    if(c2) n+=c2-'0';
    return n;
}

int main()
{
    int t;
    ifstream in("cifra.in");
    ofstream out("cifra.out");
    for(in >> t;t;--t)
    {
        in >> c;
        out << s[p(c[strlen(c)-2],c[strlen(c)-1])] << '\n';
    }
    in.close();
    out.close();
    return 0;
}