#include #include

using namespace std;

string s,t;

int calc(string s){ int res = 1; for (int i=0;i < s.length(); i++) res *= s[i] -'A' + 1; return res % 47; }

int main(){ cin >> s >> t;

if ( calc(s) == calc(t) )
	cout << "GO";
else
	cout << "STAY";

}