Task: Program Execution
Input (English): 7747, 2203, 821, t, b, 185, 4953, j, 6215, w, 4173, e, 3415, m, 1209, 6713, k, k, q, 7037, 6715, 6115, u, 2281
Output (English): b, e, j, k, m, q, t, u, w