#include <cstdio>
#include <cmath>
#include <string>
#include <iostream>
using namespace std;

int main()
{
	int n;
	while(scanf("%d",&n)!=EOF)
	{
		int mod=n%3;
		cout<<(mod*mod*mod*mod*mod)%3<<endl;
	}
	return 0;
}