#include <iostream>
#include <fstream>
using namespace std;
int n,i,v[50],r,j,x[50];
int main()
{
    ifstream f("cifra.in");
    ofstream g("cifra.out");
    while (!f.eof())
    {
        f>>v[i]; i++;
    }
    for(i=1;i<=v[0];i++)
    {
        r=1;
        for(j=1;j<=i;j++)
            r=r*i;
        x[i]=x[i-1]+r; g<<x[i]%10<<endl;
    }

    return 0;
}