Task: Program Execution
Input (English): [1529, 'l', 'U', 'b', '7333', '3967', 't', 'u', '7439', 'W', 'V', 'X', 3875, 'R'], ['c', 'o', '7333', '3967', 't', 'u', '7439', 'W', 'G', 'O', 9451]
Output (English): 7333, 3967, t, u, 7439, W