백준 #19602번 Dog Treats

import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
		
		Scanner sc = new Scanner(System.in);
		
		int s = sc.nextInt();
		int m = sc.nextInt();
		int l = sc.nextInt();
		int total = s + m * 2 + l * 3;
		
		if(total >= 10) {
			System.out.println("happy");
		}else {
			System.out.println("sad");
		}
		sc.close();
	}
}