TASK DEFINITION: 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.
PROBLEM: 1, 1, ['B', 'n', 'Q', '279']

SOLUTION: B, n, Q, 279

PROBLEM: 3, 2, ['1577', 'y', 'I', 'T', '5155', 'm', 'r', '8727', '6209', 'f', '4387', '361', 'L', 'V', '7339', '8715', 'P', '765', 'f']

SOLUTION: I, 5155, r, 6209, 4387, L, 7339, P, f

PROBLEM: 2, 4, ['Z', '8789', '5989', 'M', '189', 'k', 'V', '8735', 'g', '2709', 'j', 'y', '589', '4561', 'R', '2623', '1937', '4999', 'x', '3121']

SOLUTION:
8789, k, 2709, 4561, 4999