#include <stdio.h>
int main()
{
	char a[7];
	char b[7];
	scanf("%s",a);
	scanf("%s",b);
	int sum1 = 1;
	int sum2 = 1;
	
	for (int i=0;i<7;i++)
	{
		sum1 *= a[i] - 'A' + 1;
		sum2 *= b[i] - 'A' + 1;
	}
	if (sum1%47==sum2%47)
	{
		printf("GO");
	}
	else { printf("STAY"); }

	return 0;
}