Task: Program Execution
Input (English): 4, 12, ['w', 'n', '1741', 'r', '519', 'B', 'u', '713', '4401', 'Y', '6919', '51', '1275', 'm', '3765', 'h', '6199', 'U', '4687', '6545', '4107', '8593', 'W', '9873']
Output (English): r, h