A298

#include<bits/stdc++.h>
using namespace std;
int main() {
    int a;
    cin>>a;
    if(a%400==0){
        cout<<"Y";
    }else if(a%100==0){
        cout<<"N";
    }else if(a%4==0){
        cout<<"Y";
    }else{
        cout<<"N";
    }
    return 0;
}