Task: Program Execution
Input (English): 2569 4287 2377 5429 n e 5725 n 4371 4663 q w n 3545 a 9411 r y u 3317 l v 3401 e 781 4385 2977 g 2571
Output (English): a, e, g, l, n, q, r, u, v, w, y