Introduction - If you have any usage issues, please Google them yourself
Recursive function Called int TotalEven (int * numbers, int size, int * odd).
This function takes an array of numbers, size and pointer to any number (in main) numbers representing the number of e - pair.
Put function to odd numbers the number of the island - double and returns the number of paired numbers.
For example: 1,2,3,4,5 spoiled returns 2 (because there are two even numbers) and insert to the odd 3.