#include<iostream>
using namespace std;

int main(){
	double x;
	cout << "Grade = ";
	cin >> x;
	if (x >= 0 && x<10){
		cout << "Failed";
	} else if (x >= 10 && x <=20){
		cout << "Passed";
	} else {
		cout << "Error";
	}
	return 0;
}