#1024번
str = input()

for i in range(len(str)):
    print('%s', % str[i])

#1418번
a = input()
b = count(a)
c = []
d = a.find(t)
while b != -1:
		c.append(d)
		d = a.find(t, d+1)
		
print(d)
		

#1407번
a = input()
print(a.replace(" ","")

#2721번
s1 = input()
s2 = input()
s3 = input()
if s1[-1] == s2[0] & s2[-1] == s3[0] & s3[-1] == s1[0]:
		print("good")
else:
		print("bad")