#include<iostream>
#include<string>

using namespace std;

int main()
{
	string x, y;
	cin >> x;
	cin >> y;
	int s = 1, t = 1;
	for (int i = 0; i < x.length(); i++)
	{
		s = s*(x[i] - 64);
	}
	for (int i = 0; i < y.length(); i++)
	{
		t = t*(x[i] - 64);
	}
	if (s % 47 == t % 47)
		cout << "GO";
	else
		cout << "STAY";
}