In this task, you are given a list of integers and an integer k. You need to find the kth smallest element in the input list and return that.

[139, 14, 275, 103, 213, 287, 173, 181, 127, 125, 91, 257, 267, 209, 54, 297, 128, 167, 138, 155], k=1
14