#include <iostream>
#include <fstream>
#include <math.h>
using namespace std;
ifstream f("cifra.in");
ofstream g("cifra.out");
int n,i,a,i2;
unsigned long long int s;
int main()
{
    f>>n;
    for (i=1;i<=n;i++)
    {
        f>>a;
        for (i2=1;i2<=a;i2++)
        {
            s=s+pow(i2,i2);
        }
        cout<<s<<" ";
        g<<s%10<<"\n";
        s=0;
    }

    return 0;
}