TASK DEFINITION: In this task, you are given an input i,A where i is an integer and A is an array. You need to find every ith element of A starting with the 1st element.
PROBLEM: 1, ['2141', 'U']

SOLUTION: 2141, U

PROBLEM: 5, ['R', 'N', 'I', 'R', 'y', 'r', 'f', '6641', 'Y', '5977', '9165', 'f']

SOLUTION: R, r, 9165

PROBLEM: 13, ['7063', 'K', '3977', 'c', 'n', 'M', '7649', '9471', 'f', '8575', '4869', 'a', '8333', 'A', '4075', '663', '1', 'z', '8033', 'y', 'R', 'G', '6255', 'Q', 'v', '889', 'U', 'a', 'f']

SOLUTION:
7063, A, U