#print the Hello Message.
print("Hello I am Marvin the Paranoid Android")
#ask the user to enter their name.
users_name = input("What is your name?")
#print message with users name
print("Welcome " + users_name + ",please enjoy you day on this planet.")
#ask user to enter their command
command = input("How can I help?")
if command == "add" or command == "plus":
    input_1 = input("Please type a number -")
    input_2 = input("Please type another number -")
    number_1 = int(input_1)
    number_2 = int(input_2)
    results = number_1 + number_2
    output = str(results)
    print(input_1 +" + "+ input_2 +" = "+ output)
elif command == "subtraction" or command == "minus":
    input_1 = input("Please type a number -")
    input_2 = input("Please type another number -")
    number_1 = int(input_1)
    number_2 = int(input_2)
    results = number_1 - number_2
    output = str(results)
    print(input_1 +" - "+ input_2 +" = "+ output)
elif command == "multiply" or command == "times":
    input_1 = input("Please type a number -")
    input_2 = input("Please type another number -")
    number_1 = int(input_1)
    number_2 = int(input_2)
    results = number_1 * number_2
    output = str(results)
    print(input_1 +" * "+ input_2 +" = "+ output)
elif command == "division" or command == "divide":
    input_1 = input("Please type a number -")
    input_2 = input("Please type another number -")
    number_1 = int(input_1)
    number_2 = int(input_2)
    results = number_1 / number_2
    output = str(results)
    print(input_1 +" / "+ input_2 +" = "+ output)
elif command == "volume of cuboid":
    input_1 = input("Enter the width -")
    input_2 = input("Enter the height -")
    input_3 = input("Enter the depth -")
    number_1 = int(input_1)
    number_2 = int(input_2)
    number_3 = int(input_3)
    results = number_1 * number_2 * number_3
    output = str(results)
    print(input_1 +" * "+ input_2 +" * "+ input_3 +" = "+ output)
else:
    print("I do not understand that.")