#include <fstream>

using namespace std;
ifstream f ("cifra.in");
ofstream g ("cifra.out");
int n,i,sum,summ,x;
int main()
{
   f>>n;
   sum=0;
   for(i=1;i<=n;i++)
   {
      x=i;
      summ=1;
      while(x!=0)
      {
          summ=summ*(i%10);
          x--;
      }

      sum=sum+(summ%10);
       g<<sum%10<<'\n';
    }
    return 0;
}