#include<iostream>
using namespace std;
int main(){
	string a,b;
	cin>>a>>b;
	int sum1=1,sum2=1;
	for(int i=0;i<a.size();i++){
		sum1*=a[i]-'A'+1;
	}
	for(int i=0;i<a.size();i++){
		sum2=b[i]-'A'+1;
	}
	if(sum1%47==sum2%47){
		cout<<"GO";
	}else{
		cout<<"STAY";
	}
	return 0;
}