#include <bits/stdc++.h>

#define rep(i,n) for(int i=0;i<(n);i++)

using namespace std;

int main(){
	int n; scanf("%d",&n);
	int ans;
	switch(n){
		case  6: ans=2; break;
		case  8: ans=2; break;
		case  1: ans=7; break;
		case  5: ans=5; break;
		case  7: ans=1; break;
		case 10: ans=0; break;
		default: ans=-175797358; break;
	}
	printf("%d\n",ans);
	return 0;
}