Task: Program Execution
Input (English): 8361 9155 g 5227 7837 1407 c q 4479 a u o 5563 4589 z 4113 5685 w 171 i u l 1169 9285 3865 s t z i a i k e n 943
Output (English): a, c, e, g, i, k, l, n, o, q, s, t, u, w, z