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, ['S', 'X', 'p']
answer:
S, X, p


question:
1, 8, ['4001', 'f', '8897', '9161', 'n', 'p', '35', 'D', 'f', 'd', 'v', '193', 'U', 'B', 'm', '1985', 'w']
answer:
4001, f, w


question:
2, 5, ['Y', '1533', 'n', 'l', 'S', '5201', '3249', 'O', '8451', '3983']
answer:

1533, 3249