A373.Yes or No题解：

A373.Yes or No

#include<bits/stdc++.h>
using namespace std;
int main(){
    char a;
    cin >> a;

    if(a=='Y' || a=='y'){//判断Yes
        cout << "Yes";
    }else if(a=='N' || a=='n'){//判断No
        cout << "No";
    }
    return 0;
}