C++ :

/*
ID: cjh-1143
PROG: ride
LANG: C++
*/
#include<stdio.h>
#include<string.h>
int main(){
//	freopen("ride.in","r",stdin);
//	freopen("ride.out","w",stdout);
	char s1[10], s2[10];
	int i, x, t;
	while(scanf("%s%s", s1, s2) != EOF){
		for(x = 1, i = 0; s1[i]; i++)
			x *= (s1[i]-'A'+1);
		t = x%47;
		for(x = 1, i = 0; s2[i]; i++)
			x *= (s2[i]-'A'+1);
		if(t == x%47) printf("GO\n");
		else printf("STAY\n");
	}
    return 0;
}
/*
------- test 1 ----
COMETQ
HVNGAT
------- test 2 ----
STARAB
USACO
------- test 3 ----
EARTH
LEFTB
------- test 4 ----
PULSAR
VENUS
------- test 5 ----
KANSAS
UTAH
------- test 6 ----
APPLE
URSA
------- test 7 ----
MSFT
MARS
------- test 8 ----
PLUTO
BKHOLE
------- test 9 ----
COWSBC
RIGHT
------- test 10 ----
DRKMTR
SNIKER
*/