#include<bits/stdc++.h>
using namespace std;
char a[7],b[7];//开6,8和10也都试过了
int s1=1,s2=1;
int main()
{
gets(a);
gets(b);
for(int i=0;i<6;i++)
{
if(a[i]!=0)
s1*=int(a[i])-64;
if(b[i]!=0)
s2*=int(b[i])-64;
}
if(s1%47==s2%47)
cout<<"GO";
else cout<<"STAY";
return 0;
}