// Dog Treats
package Bronze_IV_4;
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
public class Ex19602 {
public static void main(String[] args) throws IOException {
BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
int s = Integer.parseInt(br.readLine());
int m = Integer.parseInt(br.readLine());
int l = Integer.parseInt(br.readLine());
int score = 1*s + 2*m + 3*l;
if (score >= 10)
System.out.println("happy");
else
System.out.println("sad");
}
}