Task: Program Execution
Input (English): 9, ['B', '2991', 'M', '39', '4773', '4207', '4305', 'H', 'n', 'I', '259', 'S', 'O', '4681', 'W', '4565', '6417', 'H', 'X', '7749', 'U', '121', 'n']
Output (English): B, 2991, M, 39, 4773, 4207, 4305, H, n, I, 259, S, O, 4681