#include<bits/stdc++.h>
using namespace std;
char s;
int ans1,ans2,a,b;
int main()
{
	while(cin>>s!="\n")
	{
		cin>>s;
		ans1=(int)s-64+ans1;
	}
	a=ans1%47;
	while(cin>>s!="\n")
	{
		cin>>s;
		ans2=(int)s-64+ans2;
	}
	b=ans2%47;
	if(a==b)cout<<"GO";
	else cout<<"STAY";
    return 0;
}