Task: Program Execution
Input (English): 4, 11, ['3837', 'H', '2299', 'c', 'h', 'S', '9777', '1907', 'N', '4623', 'B', '2939', '87', 'x', '9497', 'N']
Output (English): B, 4623, N, 1907, 9777, S, h, c