#include<iostream>
#include<cstdio>
#include<cstring>
#include<string>
#include<vector>
#include<cmath>
#include<algorithm>
#include<map>
#include<queue>
#include<deque>
#include<ctime>
using namespace std;
typedef long long int LL;
typedef pair<int,int> P;
typedef pair<int,pair<int,int> > PP;
typedef pair<LL,int> LP;
const int INF=1<<30;
const LL MAX=1e9+7;

void array_show(int *array,int array_n,char middle=' '){
	for(int i=0;i<array_n;i++)printf("%d%c",array[i],(i!=array_n-1?middle:'\n'));
}
void array_show(LL *array,int array_n,char middle=' '){
	for(int i=0;i<array_n;i++)printf("%lld%c",array[i],(i!=array_n-1?middle:'\n'));
}
void print_YES_NO(bool answer){cout<<(answer?"YES":"NO")<<endl;}
void print_Yes_No(bool answer){cout<<(answer?"Yes":"No")<<endl;}
void print_POSSIBLE_IMPOSSIBLE(bool answer){cout<<(answer?"POSSIBLE":"IMPOSSIBLE")<<endl;}

vector<pair<string,string> > v1;

int main(){
	srand(time(NULL));
	int a=rand()%5;
	print_Yes_No(a>0);
}