Task: Program Execution
Input (English): [8995, 2973, 5945, 'E', 'C', '1631', '9223', '2191', 'c', 'x', 'd', 'u', 't', 5039], [5809, 'e', 'o', 'E', 'C', '1631', '9223', '2191', 'c', 'x', 'A', 6947, 'A', 8079]
Output (English): E, C, 1631, 9223, 2191, c, x