rt，link

#include <iostream>
#include <cstring>
using namespace std;
char a[100],b[100];

int main()
{
	int i,j,n,n1,sum=1,sum1=1,z,z1;
	cin>>a;
	cin>>b;

	n=strlen(a);
	n1=strlen(b);
	for(i=0;i<n;i++)
	{
		z=(int)a[i];
		z-=64;
		sum=sum*n;
	}
	for(i=0;i<n1;i++)
	{
		z=(int)b[i];
		z-=64;
		sum1=sum1*n;
		
		
	}
	if(sum==sum1)
	cout<<"GO";
	else
	cout<<"STAY";
	return 0;
}