C++ :

#include<iostream>
using namespace std;
int main()
{
char a;
cin>>a;
cout<<"BOY"<<endl;
}

Java :

import java.util.Scanner;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        sc.nextLine();
        System.out.println("BOY");
    }
}

Python :

# coding=utf-8
print(input())