Task: Program Execution
Input (English): 13, 16, ['H', 'K', '5773', 't', '4781', 'n', '2943', '6503', 'H', 'J', '6445', '8135', '1511', '8921', 'r', 'J', '8289', '9225', 'w', 'B', '9869']
Output (English): 15118921rJ