#include <iostream>

using namespace std;
int n, k, m, s;

int main()
{
	while (cin >> n >> k) {
		s = 0;
		for (int i = 1; i < n; i++) cin >> m, s += m;
		if (s + k < k * 2 * n) cout << "Pass\n";
		else cout << "Fail\n";
	}
	return 0;
}