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, ['N', '517', 'z', '9397', '5949', '7721', 'z', '9621']
answer:
N, z, 5949, z


question:
1, 1, ['F', 'V', '737']
answer:
F, V, 737


question:
1, 3, ['7591', '2517', 'e', 'q', '195', '7507', '6037']
answer:

7591, q, 6037