#include<iostream>
using namespace std;
int main(){
    int y;
    cin>>y;
    if(y%4 == 0 && y%100 != 0 || y%400 == 0){
        cout<<"Y"<<endl;
    }else{
        cout<<"N"<<endl;
    }
    return 0;
}

#include<iostream>
#include<ctime>
#include<cstdlib>
using namespace std;
int main(){
	int year;
	cin>>year;
	if(year%4==0 && year%100!=0||year%400==0){
		cout<<"Y"<<endl;
	}
	else{
		cout<<"N"<<endl;

#include<iostream>
using namespace std;
int main(){
	int year;
	cin>>year; 
	if(year%4 == 0 && year%100 != 0 || year%400 == 0){		
		cout<<"Y"<<endl;	
	}
	else{
		cout<<"N"<<endl;
	}
	return 0;
} 

判断闰年

#include<iostream> u

#include<iostream>
using namespace std;
int main(){
int year;
cin>>year;
if(year%4 == 0 && year%100 != 0 || year%400 == 

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