instruction:
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.
question:
1, 1, ['R', '8913', '2399', '3649']
answer:
R, 8913, 2399, 3649


question:
1, 4, ['E', 'S', '7339', 'r', '207', 'o', 'f', 'f', '9045']
answer:
E, 207, 9045


question:
1, 3, ['b', 'B', 'b', 'y', 'i', '4413', 'P', 'R', '7401', 'B', '359', 'a', 'O', 'Y', 's', 'n']
answer:

b, y, P, B, O, n