Task: Program Execution
Input (English): 10, 11, ['3239', 'j', 'm', 'T', '5515', '9275', 'R', 'Q', '7647', '3405', 'f', '4137', '1069', 'E', '9431', '3117', 'O', '4893', '7219', 'Y', '6709']
Output (English): 3405f