#include<bits/stdc++.h>
using namespace std;
int main(){
    
    string star,tar;
    cin>>star>>tar;
    int sr=1,s=1,mod=47;
    for(int i=0;i<6;i++){
        sr*=(star[i]-'A'+1)%mod;
        s*=(tar[i]-'A'+1)%mod;
    }
    if(sr==s){
        cout<<"GO";
    }else{
        cout<<"STAY";
    }
    return 0;
}