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:
3, 7, ['n', 'u', 'y', 'O', 'a', '351', 'W', '5993', '2021', '1589', '5247', 't', '3867', 'm', '5741', '3911']
answer:
y, 1589


question:
4, 6, ['6845', '4315', '4735', '2521', '5347', '9829', 'L', '2507', 'l', '6573', '2507', 'a', 'F', 'h', '3817', 'K', 'N', '3197', 'Q', '1827', 'Q', 'L', 'W', 'D', 'w', '8485', 'Q']
answer:
2521, 6573, K, L


question:
4, 11, ['7207', 'h', 'a', '603', '923', 'B', '8741', '6873', '7617', '2773', 't', 'B', '9551', 'F', '2487', 'J', 'v', 'X', '9243', 'V', 't', 'Y']
answer:

603, 2487