#include<iostream> #include<cstring> using namespace std; int main(){ string hx,td; int hxs=1,tds=1; cin>>hx>>td; for(int i=0;i<hx.size();i++)hxs*=hx[i]-'A'+1; for(int i=0;i<td.size();i++)tds*=td[i]-'A'+1; if(hxs%47==tds%47)cout<<"GO"; else cout<<"STAY"; return 0; }