number = int(input("Enter a number: "))
if number =0:
    print ("Number is equal to 0")
elif 0<number>=20:
    print ("Number is greater than 0 and less than or equal to 20")
elif 20<number>= 40:
    print ("Number is greater than 20 and less than or equal to 40")
elif 40<number>= 60:
    print ("Number is greater than 40 and less than or equal to 60")
elif 60<number>= 80:
    print ("Number is greater than 60 and less than or equal to 80")
elif 80<number>= 100:
    print ("Number is greater than 80 and less than or equal to 100")
elif number>100:
    print ("Number is greater than 100")
elif number =0:
    print ("Number is 0")
