#include<iostream>
#include<cstdio>
#include<cstring>
#include<cmath>
#include<map>
#include<queue>
#include<algorithm>
#define ll long long
#define ull unsigned long long
using namespace std;
string a,b;
int c=1,d=1;
int main()
{
	cin>>a>>b;
	int lena=a.length();
	int lenb=b.length();
	for(int i=1;i<=lena;i++)
	{
		c*=a[i]-'@';
	}
	for(int i=1;i<=lenb;i++)
	{
		d*=b[i]-'@';
	}
	c%=47;
	d%=47;
	if(c==d) cout<<"GO";
	else cout<<"STAY";
	return 0;
}