#include <stdio.h>
#include <string.h>

long num(char *p)
{
	int i = 0;
	long number = 1;
	while(*(p+i) != '\0')
	{
		number = number * (*(p+i) - 64);
		i++;
	}
	return number;
}


int main()
{
	char a[7];
	fgets(a,8,stdin);
	a[strcspn(a,"\n")] = '\0';
	
	long n = num(a);
	
	char b[7];
	fgets(b,8,stdin);
	b[strcspn(b,"\n")] = '\0';

	long m = num(b);
	
	if((n%47) == (m%47))
		printf("GO\n");
	else
		printf("STAY\n");

	return 0;
}