Task: Program Execution
Input (English): 9, 20, ['q', 'x', 'p', 'Z', '577', 'H', 'J', '3563', 'U', '9523', 'k', 'i', 'P', '5015', '7335', '145', 'r', 'p', '5633', 'r', '9433', 'P', 'r', '5295', 'Z', 'U']
Output (English): r5633pr14573355015Pik9523U