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