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, 5, ['P', '8573', '5455', 'a', '8597', 'h', 'S', 'z', 'I', '2643', 's', 'L', '4919', '8951', '8507', '483', 'c', 'X', 'U', '5275', '7057', 'G', 'Y']
answer:
P, h, s, 483, 7057


question:
2, 5, ['L', '1199', '1859', '5779', '6639', '7969', '3959', 'd', '3959', 'm', '3549']
answer:
1199, 3959


question:
1, 3, ['F', 'M', '4677', '99', 'e', '5367', '2375', '9247', 'Q', 'J', 'r']
answer:

F, 99, 2375, J