Task: Program Execution
Input (English): 1, 18, ['6539', 'Q', '403', '8603', '4019', '3793', '4397', 'x', 't', '5047', 'T', '295', '859', 'z', '9715', '587', '2919', 'S', 'F', 'x', '6431', '3141', 'O', 'B', 'q', '6019']
Output (English): S, 2919, 587, 9715, z, 859, 295, T, 5047, t, x, 4397, 3793, 4019, 8603, 403, Q, 6539