Task: Program Execution
Input (English): 17, 21, ['9559', 'J', '1673', 'l', 'O', 'f', 'I', '5483', 'f', '9789', '4797', 's', '7667', 'w', 'E', 'O', 'q', 'M', 'h', 'M', '5841', 'P', '7901']
Output (English): qMhM5841