Task: Program Execution
Input (English): 6, 25, ['6015', '5139', 'q', '9439', '8419', '8509', 'v', 'i', '5431', '5747', 'm', 'X', '4881', 'B', '2509', '7823', 'r', '4433', '7799', '5867', '2089', '9547', 'X', 'T', '6355', 'F']
Output (English): 8509vi54315747mX4881B25097823r44337799586720899547XT6355