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:
1, 3, ['x', '7677', '6851', 'r', 'a', '4415', '135', '6045', '9777', 'H']
answer:
x, r, 135, H


question:
3, 2, ['529', '215', '3921', 'E', '5227', '3881', 'Q', '2095', 'O', '7945', 'o', '9929', 'V', 'n', '1485', '9951', 'D', 'z', 'l']
answer:

3921, 5227, Q, O, o, V, 1485, D, l