Task: Program Execution
Input (English): 6679 k j 4111 f 4589 o 9629 4965 x g 4185 1339 q c 2185 i n l f q 2387 s e v t 5499 x 3535 6601 n 7485 9155 u 9637 e a 703
Output (English): a, c, e, f, g, i, j, k, l, n, o, q, s, t, u, v, x