Task: Program Execution
Input (English): k b 495 z 7803 3193 j 5979 5295 1317 4797 z m c 489 b 4491 u x e 9119 4149 b j d f 6149 q u 4511 1051 k 8179 m g 205 5463 9475 7455 b v 7939 n x
Output (English): b, c, d, e, f, g, j, k, m, n, q, u, v, x, z