Task: Program Execution
Input (English): 5011 79 9533 l g 3785 6095 f 2573 h b r u 319 c z 9973 9261 5279 j 8385 9161 b m 1883 v r e x n
Output (English): b, c, e, f, g, h, j, l, m, n, r, u, v, x, z