#include<iostream>
using namespace std;
int main(){
    string a,b;
    int ride=1,team=1;
    
    for(int i=0;i<a.length();i++ )ride*=a[i]-64; 
    for(int i= 0;i<b.length();i++ )team*=b[i]-64;
    ride%=47,team%=47;
    
    if(ride==team)cout<<"GO";
    else cout<<"STAY";
    
    return 0;
}