Project 15: Biggest Sum

Project: Variables 'a', 'b', 'c', 'd' have been initialized.  Your task is to initialize the value of 'sum' to be the higher value between (a + b) and (c + d).

Example:

a = 5

b = 6

c = 4

d = 9

sum = 13

Note: If your code works for 5 test cases in a row, you can enter your e-mail address.