number1 = int(input("Enter a number: "))
number2 = int(input("Enter a number: "))
number3 = int(input("Enter a number: "))

if number1 > number2 and number3: 
    print("The highest value is", number1)
    quit()

if number2 > number3 and number1: 
    print("The highest value is", number2)
    quit()

if number3 > number1 and number2: 
    print("The highest value is", number3)
    quit()