#include <fstream>
#include <string>
#include <stdio.h>
using namespace std;
ifstream f("cifra.in");
ofstream g("cifra.out");
int v[100]={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()
{
    int a,i,k;
    string s;
    f>>a;
    for(i=1;i<=a;i++)
    {
        f>>s;
        if(s.size()>=2)
            {k= atoi(s.substr(s.length() - 2).c_str());
             g<<v[k-1]<<endl;}
        else
           {k= atoi(s.substr(s.length() - 1).c_str());
            g<<v[k-1]<<endl;}
    }
}