Task: Program Execution
Input (English): 6, 15, ['L', '6485', 'U', 'e', '303', 'e', '1103', 'e', '3807', '6645', 'B', 'C', 'x', '1779', '4063', '271', 'C', 'C']
Output (English): 4063, 1779, x, C, B, 6645, 3807, e, 1103, e