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, 3, ['W', '2881', 'N', '6971', 'F', '4337', '3973', '6531', 'I', '3633', '6061', 'A', '4615']
answer:
W, 6971, 3973, 3633, 4615


question:
2, 7, ['d', '1873', '8329', '8241', 'N', 'U', '7691', '5929', '8925', '3325', 'r', 'e', '5647', '5719', '2767']
answer:
1873, 8925


question:
1, 4, ['8485', 'I', 'e', 'P', 'x', 'P', '4671', 'O', 'k', 'z', '3579', 'X']
answer:

8485, x, k