Definition: In this task, you are given inputs k, i, and A, where k and i are integers and A is a list. You need to find every ith element of A starting from the kth element. The process stops when the position of the next ith element exceeds the length of the list.
Input: 3, 7, ['1937', '3407', '975', '5315', 'N', 'L', 'x', 'y', '5249', 'e', '6935', '8777', 'd', 'u', '7813', 'C']
Output:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
975, e