#include<bit/stdc++.h>
using namespace std;
int main(){
	int a,b;
	cin>>a;
	b=a%2;
	if(b=0){
	cout<<yes;
	else
    }
}

/**************************************************************
	Problem: 1640
	User: zhengzihao3
	Language: C++
	Result: Compile Error
****************************************************************/