Task: Program Execution
Input (English): 4, 19, ['6065', 'Q', '1575', 'N', '2983', '7449', 'j', 'e', 'C', '2107', '9735', 'C', 'P', 'm', 'z', 'Q', 'Q', '6377', 'r', '7931', '3391', '7287']
Output (English): N29837449jeC21079735CPmzQQ6377r