Task: Program Execution
Input (English): 1, 3, ['B', '1375', '4559', 'x', '1619', 'd', 'F', '417', '2695', 'b', '3375', 'O', '9349', '2769', 'i', '9577', 'M', '1501', '8011']
Output (English): 45591375B