#include<bits/stdc++.h> using namespace std; int main(){ int a; cin>>a; if(a!=1&&a!=3&&a!=5){ cout<<"YES"; }else{ cout<<"NO"; } return 0; }

小小判断

#include <iostream>
using namespace std;
int main(){
    int n;
    cin>>n;
    if(n==1||n==3||n==5){
        cout<<"NO";
    }else{
        cout<<"YES";
    }
    return 0;
}