Task: Program Execution
Input (English): 2, 12, ['4781', '635', 'Q', '1925', '7323', 'W', 'u', 'B', '3503', '6039', '1681', 'd', 'r', '8161', 'k', '2273', '9739']
Output (English): d, 1681, 6039, 3503, B, u, W, 7323, 1925, Q, 635