age = 21
if age<2 :
	print("He is baby.")
elif age>=2 and age<4 :
	print("He is study walk.")
elif age>=4 and age<13 :
	print("He is a child.")
elif age>=13 and age<20 :
	print("He is a kid.")
elif age>=20 and age<65 :
	print("He is a man.")
else :
	print("He is older.")