#include<iostream>
using namespace std;
int main(){
    string x,s;
    long long xn=1,sn=1;
    cin>>x>>s;
    for(int i=0;i<x.size();++i){
        xn*=x[i]-'A'+1;
    }
    for(int i=0;i<x.size();++i){
        sn*=s[i]-'A'+1;
    }

    if((xn-sn)%47==0){cout<<"GO";}
    else{cout<<"STAY";}
    return 0;

}