Task: Program Execution
Input (English): 11, ['B', '2657', 'B', '2959', 'U', '5007', '8025', '1033', 'p', 'u', 'F', '7989', 'b', '2021', '7117', '4099', 'P', 'T', 'B', '155', '5491', '2959', 'D', 'C', '3415', '6711', '4647', 'x']
Output (English): B, 2657, B, 2959, U, 5007, 8025, 1033, p, u, F, 7989, b, 2021, 7117, 4099, P