#include <fstream>
#include <string.h>
#include <math.h>
using namespace std;
ifstream f1("cifra.in");
ofstream f2("cifra.out");
int conv(string a) 
{
    int aux, i;
    aux=0;
    aux=aux*10+((int)a[0]-48);
    aux=aux*10+((int)a[1]-48);
    return aux;
}

int main()
{
    const short int sume[101]={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};
    const short int s=4;
    string n;
    short int smnf, rasp=0;
    int i, t, asdf;
    f1>>t;
    for (asdf=1; asdf<=t; asdf++)
    {
        rasp=0;
        f1>>n;
        n="0"+n;
        smnf=conv(n.assign(n.end()-2, n.end()));
        f2<<sume[smnf]<<endl;
    }
    f1.close();
    f2.close();
    return 0; 
}