print("Hello, I'm Marvin, your personal bot.")
user_name= input("What is your name?")
print("Welcome",user_name)
command = input("How can I help")
if command == "add" or command== "Add":
    print("Lets add 3 numbers")
    Number1 = int(input("Enter a number"))
    Number2 = int(input("Enter a number"))
    Number3 = int(input("Enter a number"))
    Result = Number1 + Number2 + Number3
    print("The answer is",Result)