using namespace std;

int main()
{
	string s1,s2;
	int n,m;
	n=1;
	m=1;
	cin>>s1;
	cin>>s2;
	for(int i=0;i<s1.size();i++)
	{
		n*=s1[i]-'A'+1;
	}
	for(int i=0;i<s2.size();i++)
	{
		m*=s2[i]-'A'+1;
	}
	if(n%47==m%47)
	{
		cout<<"GO"; 
	}
	else
	{
		cout<<"STAY";
	}
	return 0;
 }