Task: Program Execution
Input (English): 19, 20, ['i', '2823', '4609', '8627', 'H', '7107', '9851', 'Z', '503', 'v', '9987', '1771', 'X', 'N', '5729', '7203', '9471', '633', '2799', '6457', '8081', 'C']
Output (English): 6457, 2799