var=float(input("Enter a number: "))
if(var < 20):
    print("Rango1",var)
elif(var >=20 and var < 40):
    print("Rango2",var)
elif(var >=41 and var < 60):
    print("Rango3",var)
elif(var > 60):
    print("Rango4",var)
    

    