#include<stdio.h>
#include<string.h>
int main()
{
	long long i,sum1=1,sum2=1,anw1,anw2;
    char s[10],ch[10];
	gets(s);
	gets(ch);
	for(i=0;i<strlen(s),i<strlen(ch);i++)
	{
		s[i]-=64;
		ch[i]-=64;
		sum1*=s[i];
		sum2*=ch[i];
	}
		anw1=sum1%47;
		anw2=sum2%47;
	if(anw1==anw2)
		printf("GO");
	else
	printf("STAY");
	return 0;
}