#include<iostream>
using namespace std;
string s1,s2;
int l1,l2,r1=1,r2=1;
int main()
{
cin>>s1>>s2;
l1=s1.size();
l2=s2.size();
for(int i=0; i<l1; i++)
r1=r1*(s1[i]-'A'+1)%47;
for(int i=0; i<l2; i++)
r2=r2*(s2[i]-'A'+1)%47;
if(r1==r2)
cout<<"GO"<<endl;
else
cout<<"STAY"<<endl;
return 0;
}