Task: Program Execution
Input (English): 20, 22, ['6437', 'V', '3523', 'h', 'l', '9483', '8983', '5635', '1515', '1575', '4735', '8749', 'J', '5869', 'm', '7825', '4333', 'h', '5127', 'K', 'l', '5333', '6935', 'U', 'R']
Output (English): Kl5333