Task: Program Execution
Input (English): 8429 v s 8631 a 1863 4343 3761 7407 2307 c 4955 5779 w p 5049 8799 8671 i e 9201 n x 8001 s l u 4273 j u 7269
Output (English): a, c, e, i, j, l, n, p, s, u, v, w, x