#include<bits/stdc++.h>
using namespace std;
string a,b;
long long ans=1,num=1;
int main(){
	cin>>a>>b;
	int l=a.length(),r=b.length();
	for(int i=1;i<=l;i++) ans*=(a[i]-='@');
	for(int i=1;i<=r;i++) num*=(b[i]-='@');
	ans%=47;
	num%=47;
	if(ans!=num) cout<<"STAY"<<endl;
	else cout<<"GO"<<endl;
	return 0;
}