#include <iostream>
#include <fstream>
#include <cmath>
using namespace std;
char v[100];
int n,i,c[100],y,x,j,k;
ifstream fin("cifra.in");
ofstream fout("cifra.out");
int main()
{
    fin>>n;
    for(i=1;i<=n;i++)
    {
        fin>>v[i];
        y=v[i]-48;
        c[i]=y;
    }

    for(i=1;i<=n;i++)
    {
        k=c[i];
        x=0;
        for(j=1;j<=k;j++)
        {
            x=x+pow(j,j);

        }
        fout<<x%10<<" ";
    }
    return 0;
}