#include<fstream>
using namespace std;
ifstream fin("ride.in");
ofstream fout("ride.out");
int main()
{
int a[2]={1,1};
char s[7];
for(int i=0;i<=1;i++)
{
fin>>s;
for(int j=0;s[j]!='\0';j++)
{
a[i]*=s[j]-'@';
}
}
if((a[0]-a[1])%47)
fout<<"STAY"<<endl;
else
fout<<"GO"<<endl;
return 0;
}