有病行为，请模仿

#include<iostream>
#include<cstdio>
#include<algorithm>
#include<set>
#include<map>
#include<vector>
#include<cstring>
#include<cmath>
#include<queue>
#include<stack>
//有病行为，请模仿
using namespace std;
char a;
void print(char a){
    (a=='y'||a=='Y')?cout<<"Yes":cout<<"No";
}
int main(){
    cin>>a;
    print(a);
}