这辈子都不会乖乖做的

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