Untitled

#include <bits/stdc++.h>
using namespace std;
int main(){
    int year;
    cin >> year;
    	if(year > 0 && year <= 10000){
            if((year % 400 == 0) || (year % 4 == 0) && (year % 100 != 0)){
                cout << "YES";
            }else{
                cout << "NO";
            }
        }else{
            cout << "INVALID";
        }
    return 0;
}