#include <iostream>
#include<stdio.h>
#include <string>
using namespace std;
string fd, tt;
unsigned long long a = 1, b = 1;
int main()
{
freopen("ride.in","r",stdin);
freopen("ride.out","w",stdout);
cin >> fd >> tt;
for (int i = 0; i < fd.size(); ++i)
a = a * (fd[i] - 'A' + 1) % 47;
for (int i = 0; i < tt.size(); ++i)
b = b * (tt[i] - 'A' + 1) % 47;
if (a == b)
cout << "GO";
else
cout << "STAY";
return 0;
}