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:
3, 7, ['D', 'i', 'f', '7151', '9971', '1427', 'F', 'u', 'g', '1409', 'v', '6959', 'L', 'K', '1857', 't', 'e', 'U', 'm', 'u', 'U', 'P', '6641', '6059', 'B', 'h', '3121']
answer:
f, 1409, e, 6059


question:
4, 1, ['3937', 'u', 'f', '5137', '9051', 'E', 'D', 'z', 'W', '3803', '8933', 'd', '589', 'x', '2935', '4305', '5313', 'o', 'p', '2015', '7179', 'G', '5565', 'e', 'I', '9611', '1455', 'Q', 'T']
answer:
5137, 9051, E, D, z, W, 3803, 8933, d, 589, x, 2935, 4305, 5313, o, p, 2015, 7179, G, 5565, e, I, 9611, 1455, Q, T


question:
2, 4, ['2507', 'a', 'q', 'k', 'y', 'd', 'Z', 'f', 'w', '5991', 'F', 'X', '6179', 'C', 'u']
answer:

a, d, 5991, C