import java.util.Scanner;

public class Main{
	public static void main(String[] args) {
		Scanner sc =new Scanner(System.in);
		int n =sc.nextInt();
		if(n>=90) {
			System.out.println("Excellent");
		}else if(n>=80&&n<90) {
			System.out.println("Good");
		}else if(n>=60&&n<80){
			System.out.println("Pass");
		}else {
			System.out.println("Fail");
		}
	}
}
/**************************************************************
	Problem: 1959
	User: admin
	Language: Java
	Result: Accepted
	Time:723 ms
	Memory:39756 kb
****************************************************************/