Task: Program Execution
Input (English): b a 1805 e u 5417 x b 3253 4899 5163 n i a 3381 g t 519 d 5907 f 381 u n e 3903 1805 9841 z 2459 3701 3113 v z i g j 2533 n 4361 6853 u 8373
Output (English): a, b, d, e, f, g, i, j, n, t, u, v, x, z