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, ['7787', '9289', 'u', 'l', '4951']
answer:
7787, u, 4951


question:
1, 1, ['y', '2405', '2599']
answer:
y, 2405, 2599


question:
1, 4, ['469', 'z', '4413', 'p', '6647', '8039', 'T', 'B']
answer:

469, 6647