#include<bits/stdc++.h>
using namespace std;
char a;
long long USA=1,team=1; 
int main(){
	do{
		cin>>a;
		USA*=a-'A'+1;
	}while(a!='\n');
	do{
		cin>>a;
		team*=a-'A'+1;
	}while(a!='n');
	if(USA%47==team%47){cout<<"GO"<<endl;}
	else{cout<<"STAY"<<endl;}
	return 0;
}