In this task you will be given a list of integers. You should find the minimum absolute difference between 2 integers in the list. The absolute difference is the absolute value of one integer subtracted by another. The output should be a single integer which is the smallest possible absolute distance.

Input: Consider Input: [71, 19, 14, 18]

Output: 1


Input: Consider Input: [6, 69, -76]

Output: 63


Input: Consider Input: [62, 1, -61, 87, 15]


Output: 14