#1024
ch = input()
l = len(ch)
for i in range(l):
print("'%s'" %(ch[i]))
#1418
ch = input()
l = len(ch)
for i in range(l):
if(ch[i] == 't'):
print(i + 1, end = " ")
#1407
ch = input()
ch = ch.replace(" ", "")
print(ch)
#2721
S1 = input()
S2 = input()
S3 = input()
l1 = len(S1)
l2 = len(S2)
l3 = len(S3)
if(S1[l1 - 1] == S2[0] and S2[l2 - 1] == S3[0] and S1[0] == S3[l3-1]):
print("good")
else:
print("bad")