#include<stdio.h>
int main()
{
	char star[7];
	scanf("%s",star);
	char team[7];
	scanf("%s",team);
	
	int a=1;
	int b=1; 
	for(int i=0;i<7;i++)
	{//转换 
		star[i]=star[i]-'A'+1;
		team[i]=team[i]-'A'+1;
		a*=star[i];
		b*=team[i];
	}
	if(a%47==b%47)
	{
		printf("GO\n");
	}
	else
	{
		printf("STAY\n");
	}
	
	return 0;
	
		
}