#include<iostream>
#include<algorithm>
#define int long long
#define pii pair<int,int>
#define fi first
#define se second
const int N=5e2,mod=998244353;
using namespace std;
signed main(){
	freopen("employ.in","r",stdin);
	freopen("employ.out","w",stdout);
	ios::sync_with_stdio(0);
	cin.tie(0);
	cout.tie(0);
	cout<<0; 
	return 0;
}
