Task: Program Execution
Input (English): 4, 1, ['U', '9911', '7493', '3793', 'C', '1407', '2199', '9701', '2811', '1413', 'X', '8173', 'X', 'p', 'f', '1099', 'R', '1423', 'X', 'g', '5531']
Output (English): 3793, C, 1407, 2199, 9701, 2811, 1413, X, 8173, X, p, f, 1099, R, 1423, X, g, 5531