#include<bits/stdc++.h>
using namespace std;
int main(){
	int m,n,v=0;
	cin>>m;
	if(m%2==0){
		cout<<"y"<<" "<<"e"<<" "<<"s"; 
		return 0;
	} 
	 cout<<"n"<<" "<<"o"; 
	 
    
}
/**************************************************************
	Problem: 1033
	User: huxuanchen
	Language: C++
	Result: Accepted
	Time:9 ms
	Memory:2072 kb
****************************************************************/