#include <iostream>
#include <fstream>
#include <cstring>
#include <cstdlib>

using namespace std;

int main()
{
    ifstream in ("cifra.in");
    ofstream out ("cifra.out");
    int n,p,t;
    int uc[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 nr[102];
    in>>t;
    for(int i=1;i<=t;i++){
        in>>nr;
        p=strlen(nr);
        if (p>1){
             char n2[3];
            n2[0]=nr[p-2];
            n2[1]=nr[p-1];
            n=atoi(n2);
        }
        else n=nr[p-1]-48;
        out<<uc[n%100]<<"\n";
    }
    return 0;
}