#include<stdio.h>
#include<string.h>
int main()
{
	char s1[7]={0}, s2[7]={0};
	scanf("%s", s1);
	scanf("%s", s2);
	int m = 1, n = 1,i;
	int ch1 = 0,ch2=0;
	int a,b;
	a=strlen(s1);
	b=strlen(s2);
	for (i = 0; i < a; i++) {
		ch1 = (int)s1[i] - 64;
		m = m *ch1;
	}
	for(i=0;i<b;i++){
	    ch2 = (int)s2[i] - 64;
	   	n = n * ch2;
	}
	int p = 0, q = 0;
	p = m % 47;
	q = n % 47;
	if (p == q)
		printf("Go");
	else
		printf("Stay");
	return 0;
}