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, 2, ['9927', '8789', '5721', '3139']
answer:
9927, 5721


question:
2, 1, ['Z', 'Q', 'j', '6891', 'X', '5373', '289', 'u', 'p', '8567', 'k', 'v', '5853']
answer:
Q, j, 6891, X, 5373, 289, u, p, 8567, k, v, 5853


question:
2, 8, ['4601', '4449', 'M', 'P', '6105', '2009', 'V', 'D', 't', 'L', 'o', 'i', 'Z', '805', '7481', '8223', '5811', '5559', '9039']
answer:

4449, L, 5559