Task: Program Execution
Input (English): u 941 5475 z 749 s 2343 6379 9073 6515 i o s 6763 v 805 k a z j v b 7529 z 8531 2083 1557 d 2723 9867 w 9709 9713 z 9079 d q 2877 g 6503
Output (English): a, b, d, g, i, j, k, o, q, s, u, v, w, z