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

#define NMAX 1000


char s1[NMAX], s2[NMAX];
long p1 = 1, p2 = 1, len1, len2;


void read()
{
scanf("%s\n", s1);
len1 = strlen(s1);

scanf("%s\n", s2);
len2 = strlen(s2);
}

inline int convers(char c)
{
return (c-'A'+1);
}


void prod(char s[], long *p)
{
int i;


for(i = 0; i < len1; ++i)
	{
		*p *= convers(s[i]);
		//printf("%d ", convers(s[i]));
	}
}

inline int compar(long p1, long p2)
{
if(  (p1%47) == (p2%47)  )
	return 1;
return 0;
}
              

int main()
{
freopen("ride.in", "r", stdin);
freopen("ride.out", "w", stdout);


read();


prod(s1, &p1);


prod(s2, &p2);


if(compar(p1, p2))
	{
		printf("GO\n");
	}
else
	{
		printf("STAY\n");
	}



fclose(stdin);
fclose(stdout);


return 0;
}