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, ['1629', 'j']
answer:
1629, j


question:
3, 7, ['D', 'i', 'f', '7151', '9971', '1427', 'F', 'u', 'g', '1409', 'v', '6959', 'L', 'K', '1857', 't', 'e', 'U', 'm', 'u', 'U', 'P', '6641', '6059', 'B', 'h', '3121']
answer:
f, 1409, e, 6059


question:
1, 4, ['5201', '15', '2001', 'w', '105', 'M', 'm', '6951', 'l']
answer:

5201, 105, l