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, 4, ['E', '3305', '1973', 'L', 'R', '4451', '5315', '7293']
answer:
E, R


question:
2, 5, ['5187', '7575', '5293', '1541', '735', '4639', '165', 'u', '3131', 'F', '5823', '6103', 'H', '6307', '5313', 'A', '1087', 'n', '6051']
answer:
7575, 165, 6103, 1087


question:
4, 5, ['L', 'e', 'y', 'A', 'u', '1015', 'q', '8797', '7187', 'Y', '3701', 'E', '5703', '1295', '929', '1885', '3799', 'r', 'X', '6733']
answer:

A, 7187, 1295, X