#include <stdio.h>
#include <iostream>
#include <math.h>
using namespace std;
int main()
{
	int n;
	cin >>n;
	if(n%4==0 && n%100 !=0)
	{
		cout <<"Y";
	}
	else if(n%400 == 0)
	{
		cout <<"Y";
	}
	else
	{
		cout <<"N";
	}
}

#include <iostream>
#include <stdio.h>
#include <iomanip>
#include <math.h>
using namespace std;
const int N = 1e6 + 10;
const int INF = 0x3f3f3f3f;
int main()
{
	int a;
	cin >> a;
	if( a / 100 != 0 && a / 4 == 0 )
	{
		cout << "Y";
	}
	else
	{
		cout << "N";
	}
	return 0;
}

#include<iomanip>
using namespace std;
int main()
{
int a;
cin>>a;
if(a%4==0)
{
cout<<"Y";
}
else
{
cout<<"N";
}
return  0;
}

#include<iostream> using namespace std; int main() { int a; cin >> a; cout << a % 10; return 0;

#include <iostream> using namespace std; const int N = 1e6 + 10; const int INF = 0x3f3f3f3f; int main() { int a; cin >> a; if( a / 100 != 0 && a / 4 == 0 ) { cout << "Y"; } else { cout << "N"; } return 0; }

#include <iostream> #include <cstdio> using namespace std; int main() { int a; cin >> a; if(a % 4 == 0) { cout<<"Y"; } else { cout<<"N"; }

return 0;

}

#include <iostream> #include <cmath> #include <iomanip> #include <stack> #include <algorithm> #include <string> #include <cstring> using namespace std; const int INF = 0x3f3f3f3f; int a; int main() { cin >> a; if (a % 4 == 0) { cout << "Y"; } else { cout << "N"; } return 0; }

#include<iostream> using namespace std; int main() { int a; char c; cin>>a; if(a%40&&a%100!=0&&a%4000) { cout<<"Y"; } else { cout<<"N"; } return 0; }

#include<iostream> using namespace std; int main() { int a; char c; cin>>a; if(a%40&&a%100!=0&&a%4000) { cout<<"Y"; } else { cout<<"N"; } return 0; }

#include<cstdio>
#include<string>
#include<bits/stdc++.h>
#define LL long long
using namespace std;
const int INF=0x3f3f3f3f;
const int N=2e5+10;
int a;
int main(){
	cin>>a;
	if(a%100!=0&&a%4==0||a%400==0){
		cout<<"Y";
	}else{
		cout<<"N";
	}
}

#include <iostream> using namespace std; const int INf=0x3f3f3f3f; const int N=2e4+10; int main(){ long long a; cin >>a; if( ( a%40 && a%100!=0 ) || ( a%4000 ) ) cout <<"Y"; else cout <<"N"; return 0; }

#include<bits/stdc++.h> using namespace std; int main() { int n; cin>>n; if(n%40&&n%100!=0||n%4000) cout<<"Y"; else cout<<"N"; return 0; }

#include<iostream> using namespace std; int main(){ int a; cin>>a; if (a%4==0) { cout << "Y"; } else { cout << "N"; }

return 0;

}

为什么非要那么多判断呢？

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

#include <bits/stdc++.h>

using namespace std;

int main() { int a;

cin >> a;

if (a % 4 == 0 && a % 100 != 0)
{
    cout << "Y";
}
else if (a % 400 == 0)
{
    cout << "Y";
}
else
{
    cout << "N";
}

return 0;

}

#include <bits/stdc++.h>

using namespace std;

int main()
{
    int a;

    cin >> a;

    if (a % 4 == 0 && a % 100 != 0)
    {
        cout << "Y";
    }
    else if (a % 400 == 0)
    {
        cout << "Y";
    }
    else
    {
        cout << "N";
    }

    return 0;
}

#INCLUDE

#include <stdio.h> #include <iostream> #include <math.h> using namespace std; int main() { int n; cin >> n; if( (n%4 == 0 && n%100 !=0 ) || (n%400 == 0)) { cout << "Y"; } else { cout << "N"; } }

/// #include<stdio.h> #include<iostream> using namespace std; int main() { int a; cin>>a; if(a%40&&a%100!=0) { cout<<"Y"<<endl; }else if(a%4000) { cout<<"Y"<<endl; }else { cout<<"N"<<endl; } } ///

#include <bits/stdc++.h>

using namespace std;

int main() { int n; cin >>n; if(n % 4 == 0 && n % 100 != 0) { cout << "Y"; } else if(n % 400 == 0) { cout << "Y"; } else { cout << "N"; } }