Task: Program Execution
Input (English): 20, 20, ['n', '7231', '7543', '3417', '5015', 'v', '5219', 'B', '9491', 'C', '5739', 'w', '5187', 'd', '1849', '4927', 'd', '595', '5861', 'c', '6949', '9539', 'M', 'P', 'k', 'f', '9797', 'U']
Output (English): c