RT

/*P1200 [USACO1.1] 你的飞碟在这儿 Your Ride Is Here*/ 
#include<bits/stdc++.h>
using namespace std;
int main(){
	char comet[6],team[6];
	int comet_end = 0,team_end = 0;
	cin >> comet >> team;
	comet_end += int(comet[1] - ('A'));
	team_end += int(team[1] - ('A'));
	for(int i = 1;i < 6;i++){
		comet_end *= int(comet[i] - ('A'));
		team_end *= int(team[i] - ('A'));
	}
	/* 
	cout << comet_end << " " << team_end << endl;
	cout << comet_end % 47 << " " << team_end % 47 << endl << int('A') << " " << comet[1] - ('A') << endl;
	*/ 
	if(team_end % 47 == comet_end % 47){
		cout << "GO" << endl;
	}else{
		cout << "STAY" << endl;
	}
	return 0;
}