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, 2, ['9927', '8789', '5721', '3139']
answer:
9927, 5721


question:
1, 3, ['B', '7983', 'R', 'g', 'A', 'N']
answer:
B, g


question:
2, 1, ['5777', 'A', 'S', '3681', 'c', '6219', '8913', 'H', '3893', 'k', '171', '4135']
answer:

A, S, 3681, c, 6219, 8913, H, 3893, k, 171, 4135