sentence1=input()
sentence2=input()
num1=len(sentence1)
num2=len(sentence2)
startname=list(sentence1)#记录彗星名字
orgnazationname=list(sentence2)#记录组织名字
startnum=1#记录彗星名字算出来的数字
orgnazationnum=1#记录组织名字算出来的数字
alist=["A","B","C","D","E","F","G","H","I","J","K","L","M","N","O","P","Q","R","S","T","U","V","W","X","Y","Z"]#之后用来做为密码本
for i in range(num1):
    startnum=startnum*(alist.index(startname[i])+1)
for i in range(num2):
    orgnazationnum=orgnazationnum*(alist.index(orgnazationname[i])+1)
if startnum%47==orgnazationnum%47:
    print("GO")
else:
    print("STAY")