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: 1, 7, ['c', '155', 't', 'K', 'r', 'W', 'S', 'c', 'n', 'I', '8803', 'O', 'N', 'r', 'K', '1789', 'i', 'r', '6591', 'E', 'P', '3251', 'R', '1391', 'z', '8907']
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
c, c, K, 3251