Task: Program Execution
Input (English): 18, 22, ['9987', '9251', '6829', '6803', 'C', '6499', 'm', '4499', 'R', 'z', 'i', 'N', '177', 'n', '6253', '3467', '1795', 'B', '7771', '2405', '659', '3683', 'Y', '1645', 'c', '9445', '5469', 'n']
Output (English): B, 7771, 2405, 659, 3683