#include <iostream>
using namespace std;
int main()
{
int A, B;
cin >> A, B;
if (A == 100 && B == 0)
{
cout << "Gold" << endl;
}
else if (A == 0 && B >= 0)
{
cout << "Silver" << endl;
}
else
{
cout << "Alloy" << endl;
}
return 0;
}
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