#include<bits/stdc++.h>
using namespace std;
int main()
{
	string s1, s2;
	long long s1_num = 1, s2_num = 1;
	cin >> s1 >> s2;
	for(int i = 0; i < max(s1.length(), s2.length()); i++)
		s1_num *= (s1[i] - 'A' + 1) % 47, s2_num *= (s2[i] - 'A' + 1) % 47;
	if(s1_num % 47 == s2_num % 47)
		cout << "GO";
	else
		cout << "STAY";
	return 0;
}