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, ['R', 'y']

SOLUTION: R, y

PROBLEM: 1, 6, ['Y', '5585', '9719', '4919', '7351', '4683', '9329', '5087', 'Y', 'x', '37', 'c', 'x', '451', 'S', 'a', 'i', '2299', '5387', 'g', 'y', 'b', 'H', '8621', 'f', 'V']

SOLUTION: Y, 9329, x, 5387, f

PROBLEM: 4, 4, ['i', 'U', '7885', '9571', '7171', 'H', '4115', '57', '2467', '7823', 'f', '3685', 't', '8151', '787', 'l', '3751', 'A', '5961', 'p', '543']

SOLUTION:
9571, 57, 3685, l, p