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/*
ID: vijay.i2
PROG: ride
LANG: C++
*/
#include <iostream>
#include <fstream>
#include <string>

using namespace std;

int main() {
	ofstream fout ("ride.out");
    	ifstream fin ("ride.in");
	string s1, s2;
	fin >> s1;
	fin >> s2;
	int len1 = s1.length();
	int len2 = s2.length();
	int prd1 = 1, prd2 = 1;
	for(int i=0; i<len1; i++){
		prd1 *= (s1[i] - 'A') + 1;
	}
	for(int i=0; i<len2; i++){
		prd2 *= (s2[i] - 'A') + 1;
	}
	if((prd1 % 47) == (prd2 % 47)){
		fout << "GO" <<endl;
	}else{
		fout << "STAY" <<endl;
	}
	return 0;
}