Task: Program Execution
Input (English): 4, 7, ['6861', '8459', 'D', '3875', '7337', '8877', '6563', '6297', '1555', '8951', 'P', '2695', 'R', '3655', 'F', 'A', '3789', 'z', 'R', 'O', 'W', 'b']
Output (English): 3656778873375783