include iostream include vector include string using namespace std int

#include<iostream>
#include<vector>
#include<string>

using namespace std;

int main()
{
	int n, m;
	cin >> n >> m;
	while (n != 0)
	{
		string temp;
		long long  s1 = 0, s2 = 0;
		int a1 = 0, a2 = 0, a = -1, b = 0;
		getline(cin, temp);
		for (int i = 0; i < n; i++)
		{
			a1 = 0; a2 = 0;
			getline(cin, temp);
			reverse(temp.begin(), temp.end());
			int r = 0, t = 1;;
			while (temp[r] != ' ')
			{
				a2 += t * (temp[r] - '0');
				t *= 10;
				r++;
			}
			t = 1; r++;
			while (temp[r] != ' ')
			{
				a1 += t * (temp[r] - '0');
				t *= 10;
				r++;
			}
			s1 += a1;
			
			s2 += a2;
			if (a < a1)
			{
				a = a1;
				b = a2;
			}
		}
		s2 += m - b;
		if (s2 > s1)
			cout << "Success" << endl;
		else
			cout << "Fail" << endl;
		cin >> n >> m;
	}
	return 0;
}