Task: Program Execution
Input (English): 4, 21, ['P', 'D', 'N', 's', 'D', 'f', '2257', 'l', 'O', 'F', 's', '6977', 's', '3081', '9719', 'Q', 'u', 'q', 'A', '2387', '3343', 'C', '5549', '6877', 'a', '1989']
Output (English): 3343, 2387, A, q, u, Q, 9719, 3081, s, 6977, s, F, O, l, 2257, f, D, s