#include<bits/stdc++.h> using namespace std; char a[6],b[6]; int a1=1,b1=1; int main(){ cin>>a>>b; for(int i=0;i<6;i++){ if(a[i]!=0) a1*=a[i]-'A'+1; if(b[i]!=0) b1*=b[i]-'A'+1; } if(a1%47==b1%47) cout<<"GO"; else cout<<"STAY"; return 0; }