Task: Program Execution
Input (English): 4, 22, ['B', 'm', 'x', '9171', '647', 'v', '2383', '3365', '5017', 'l', '6865', '8839', '3521', '6639', '9907', 'A', 'A', 'W', 'Y', '5085', '5067', '2827']
Output (English): 9171647v238333655017l68658839352166399907AAWY508550672827