题解

#include <iostream>
using namespace std;
int main(){
int x;
cin >>x;
if (x%40 && x%100!=0){
cout << "Y" << endl;
return 0;}
if (x%1000 && x%400==0){
cout << "Y" << endl;
return 0;}
else{
cout << "N" << endl;
return 0;}
return 0;
}