Task: Program Execution
Input (English): 10, ['1427', '9713', 'v', 'W', 'B', 'r', '3131', 'K', 'W', 'A', '3819', '3447', '2517', '7831', '333', 'X', '7967', 'P', '9761', 'r', 'R']
Output (English): 3819, 3447, 2517, 7831, 333, X, 7967, P, 9761, r, R