#include<stdio.h>
int main()
{
	int n;
	scanf("%d", &n);
	if (n % 3 == 0)
		printf("0\n");
	else if (n % 6 == 2 || n % 6 == 5)
		printf("1\n");
	else
		printf("2\n");
	return 0;
}