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, ['P', '9925', '8431', '1953', 'T', '4639', 'S', 't', '121', '2205', '725', '5069', 'y', '3003', 'Q', '3113']
answer:
8431, 2205


question:
2, 4, ['1995', 'U', '3509', '999', '783', '5627', 'r', 'n', '6203', 'J', 'p', '9471']
answer:
U, 5627, J


question:
1, 3, ['n', 'V', '5327', 'P', '2473', '7245']
answer:

n, P