You are given an array of integers and an integer K as arguments. Return the element that is the Kth index from the end of the array.

Assume that the argument array length will always be at least K + 1

Requirements

• Must return a single integer.
• Must work with positive or negative integers

Example #1

solve([1,2,3,4,5,6], 0)
> 6

Example #2

solve([-1,2,3,-4,5,0], 3)
> 3