Task: Program Execution
Input (English): 1129 w 615 b n u 1421 1335 2551 8659 2431 6641 495 3945 807 m f 4979 o 5257 z 939 w 5427 m 169 j 8533 h 2879
Output (English): b, f, h, j, m, n, o, u, w, z