Write a function that takes a string name and a number num (either 0 or 1) and return "Hello" + name if num is 1, otherwise return "Bye" + name.
sayHelloBye("alon", 1) ➞ "Hello Alon"
sayHelloBye("Tomi", 0) ➞ "Bye Tomi"
sayHelloBye("jose", 0) ➞ "Bye Jose"
The name you return must be capitalized.