In this task, you are given a list of integers and an integer k. You need to find the kth largest element in the input list.
Q: [143, 131, 100, 99, 57, 115, 33, 273, 88, 210, 74, 164, 53, 93, 191, 223, 173, 194, 66, 48], k=15
A: 
74