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', 't', '8517']
answer:
s, t, 8517


question:
2, 2, ['2219', 'C', '4815', '6549', '4357', 'I', 'x', 'o', '749', 'y', '287', '3785', '1623', 'P', '577', '9187', '521', '5929']
answer:
C, 6549, I, o, y, 3785, P, 9187, 5929


question:
1, 1, ['8645', '4455']
answer:

8645, 4455