// P1200 [USACO1.1] 你的飞碟在这儿 Your Ride Is Here.cpp -- 字符串题单
#include<iostream>
#include<cstdio>
int cal(int);
using namespace std;
int main()
{
	if (cal(1) == cal(1)) printf("GO");
	else printf("STAY");
	return 0;
 } 
 
int cal(int)
{
	char A[10]; 
	int ans = 1;	
	scanf("%s", A);
	cin.get();
	for (int i = 0 ; A[i] != '\0' ; i ++)
	{
		ans *= (A[i] - 'A' + 1);
	}
	return ans % 47;
}