Task: Program Execution
Input (English): 8, ['3873', '4431', '4295', 'W', 'X', 'U', 'X', '1877', 'u', '5755', '9109', '5211', '3037', 'V', 'S', 'c', 'O']
Output (English): 3873, 4431, 4295, W, X, U, X, 1877, u