#include<iostream>
#include<cstdio>
#include<cstring>
#include<string>
#include<algorithm>
using namespace std;
typedef long long ll;
const int N=1e5+10;
ll n,ans;

void fun(){
	freopen("replace.in","r",stdin);
	freopen("replace.out","w",stdout);
	scanf("%lld",&n);
	
	printf("%lld\n",ans);
	return ;
}
int main(){
	fun();
	return 0;
}

