Task: Program Execution
Input (English): 1367 s x e n 4761 o 5203 6171 4445 1709 z 2075 1489 9215 2687 a b 4693 q 1873 8617 l g z v p 4579 9319 4449 9895 d 3643 1457 w p g
Output (English): a, b, d, e, g, l, n, o, p, q, s, v, w, x, z