/*
ID: chenkai4
PROG: ride
LANG: C++
*/
#include<iostream>
#include<fstream>
using namespace std;
ifstream in("ride.in");
ofstream out("ride.out");

char comet[7],group[7];
int n1=1,n2=1;
void ck()
{
	in>>comet>>group;
}
void love()
{
	for(int a=0;a<strlen(group);a++)
		n1*=(group[a]-'A'+1);
	for(int a=0;a<strlen(comet);a++)
		n2*=(comet[a]-'A'+1);
}
void lyb()
{
	if(n1%47==n2%47)
		out<<"GO"<<endl;
	else
		out<<"STAY"<<endl;
}

int main()
{
	ck();
	love();
	lyb();
	return 0;
}