#include<bits/stdc++.h>
#define intt long long
using namespace std;
struct myst{
	intt en,dist;
	bool operator<(const myst &k)const{
		return k.dist<dist;
	}
};
priority_queue<myst>q1;
int main(){
	freopen("employ.in","r",stdin);
	freopen("employ.out","w",stdout);
	//Ren5Jie4Di4Ling5%
	cout<<2;
	return 0;
} 
