Task: Program Execution
Input (English): 5459 v i 5877 e q 1585 o z 3305 h 8545 449 b 481 8277 2151 4751 p x e 1809 p x w h 3543 i a 9055 d
Output (English): a, b, d, e, h, i, o, p, q, v, w, x, z