Task: Program Execution
Input (English): e 9193 8733 1949 2649 h 3863 757 w x o u 5575 i g u 5177 b l 2693 c 9751 6469 2887 e r t 9391 f 2859 6609 4451 r h q g l j r 4883 8609 3299 3699 o d
Output (English): b, c, d, e, f, g, h, i, j, l, o, q, r, t, u, w, x