https://www.luogu.org/problemnew/show/P1200
/*
*@Author: STZG
*@Language: C++
*/
#include <bits/stdc++.h>
#include<iostream>
#include<algorithm>
#include<cstdlib>
#include<cstring>
#include<cstdio>
#include<string>
#include<vector>
#include<bitset>
#include<queue>
#include<deque>
#include<stack>
#include<cmath>
#include<list>
#include<map>
#include<set>
//#define DEBUG
#define RI register int
using namespace std;
typedef long long ll;
typedef __int128 lll;
const int N=10000;
const int MOD=1e9+7;
const double PI = acos(-1.0);
const double EXP = 1E-8;
const int INF = 0x3f3f3f3f;
int t,n,m,k,q;
int main()
{
#ifdef DEBUG
freopen("input.in", "r", stdin);
//freopen("output.out", "w", stdout);
#endif
int a = 1 , b = 1;
char v;
while ( (v = cin.get() ) != '\n') a *= v - 'A' + 1;
while ( (v = cin.get() ) != '\n') b *= v - 'A' + 1;
if (a % 47 == b % 47) cout << "GO";
else cout << "STAY";
//cout << "Hello world!" << endl;
return 0;
}