Task: Program Execution
Input (English): 15, 19, ['7883', 'O', 'v', 'H', '4401', '6455', 'h', 'a', '9903', '667', 'J', 'H', '6495', '395', '2171', 'w', 'S', 'B', '8473', '399', 'h', 'Y', 'U', '4657', 'R', '2765', 'j', '4381', 'z', '6567']
Output (English): 2171wSB8473