Task: Program Execution
Input (English): 15, ['O', 'N', 'j', '6439', 'O', 'x', 'k', 'q', '4697', '7899', '9383', '6325', '5447', 'x', '8657', 'Z', '5157', '6345', 'E', '6991', 'Z', '7721', '8735', '5913', '4633', 'P', 'j', '233', 'j', 'h', '5161', '1395', '4363', 'p', '2069', '1419', 'y', '9629']
Output (English): O, Z, 5161