Task: Program Execution
Input (English): 3, ['8109', 'U', '1987', '4109', 'X', '7455', 'G', '9823', '7069', '997', 'u', 'N', '1581', '3181', '4515', '7221', 'L', 'c', 'x', '2669', '3109', '645', 'A', '2431', '7839', '3289', 'Y', '3391']
Output (English): 4109, X, 7455, G, 9823, 7069, 997, u, N, 1581, 3181, 4515, 7221, L, c, x, 2669, 3109, 645, A, 2431, 7839, 3289, Y, 3391