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:
2, 1, ['5475', '3995', 'x', 'd', '2881', '5509', 'f', 'J', '4783', 'V', 'j', '5093', 'I', 'C']
answer:
3995, x, d, 2881, 5509, f, J, 4783, V, j, 5093, I, C


question:
1, 9, ['m', '963', '9679', '9403', '4339', '4239', 'C', '5399', 'O', '3097', '9667', '8695', 'q', '6395', '3633', 'u', '6293', '9679', 'S']
answer:

m, 3097, S