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, 2, ['A', 'L', 'L', 's', 'O']
answer:
A, L, O


question:
1, 4, ['6901', 'H', 'X', '8889', '5193', 'e', '2331', '7431', 'd', '6735', 'R', '221', '7001']
answer:

6901, 5193, d, 7001