def cloudiness(c):
	if c <= 30:
		print ("It's clear!")
	elif c >=31 and c <= 70:
		print ('It is partly cloudy')
	elif c >= 71 and c <= 99:
		print ('It is cloudy!')
	elif c == 100:
		print ('It is overcast!')
	else:
		print ('Invalid Percentage, please try again!')

cloud = input('Enter cloudiness level as a percentage: \n')

cloud = float(cloud)

cloudy = cloudiness(cloud)