#include <bits/stdc++.h>
#define MOD 1999999973
#define ull unsigned long long

using namespace std;

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

int n,m;
int 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};
string a;

int main()
{
    int t,i,j;
    int nr;
    fin>>t;
    char a1,a2,a3;
    for(i = 1; i <= t; i++){
        fin>>a;
        if(a.size() > 1)
            nr = (a[a.size()-1]-'0') + 10*(a[a.size()-2]-'0');
        else
            nr = a[0] - '0';
        fout<<v[nr]<<'\n';
    }
    return 0;
}