超级无敌简单的题解！

#include <bits/stdc++.h>
using namespace std;
int main(){
	char a;
    cin >> a;
    if(a == 'Y'){
        cout << "Yes";
    }
    if(a == 'N'){
        cout << "No";
    }
    if(a == 'y'){
        cout << "Yes";
    }
    if(a == 'n'){
        cout << "No";
    }
	return 0;
}