Task: Program Execution
Input (English): i y 8339 d b 7471 6577 9037 4503 6287 1439 8863 9201 2661 x l v w a f 8885 519 7631 g 7203 8605 2429 9165
Output (English): a, b, d, f, g, i, l, v, w, x, y