Task: Program Execution
Input (English): 4, 7, ['4273', 'M', 'H', '5009', '4875', 'D', 's', '3269', 'D', '1355', 'H', '4213', 'D', 'e', 'n', 'N', 'p', 'K']
Output (English): s, D, 4875, 5009