#include<bits/stdc++.h>
#define int long long
using namespace std;
const int mod=998244353;
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;
}

















//the end?
//maybe...
