#include <iostream>
#include <cstdio>
#include <string>
using namespace std;
int main() {
  //freopen("ride.in","r",stdin);
  //freopen("ride.out","w",stdout);
    string str1,str2;
    int a = 1,b = 1;
    getline(cin,str1);
    getline(cin,str2);
    for (unsigned i = 0;i < str1.length();i++) a = (a*(str1[i]-'A'+1))%47;
    for (unsigned i = 0;i < str2.length();i++) b = (b*(str2[i]-'A'+1))%47;
    printf("%s",a == b ? "GO" : "STAY");
    return 0;
}