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, ['S', 'X', 'p']
answer:
S, X, p


question:
1, 6, ['2041', '9777', '251', 'Q', '7287', '755', '4663', 'c', 'l', '5541', 'y', 'i']
answer:
2041, 4663


question:
3, 8, ['8259', '1729', '3311', 'e', 'o', '1347', 'c', 'S', 'n', 'v', '6201', '4167', '4691', '9667', 'r', 'y', '3571', '1353', 'v']
answer:

3311, 6201, v