Task: Program Execution
Input (English): r 9277 a 7091 x t s 2499 g j d f h 1083 s d c l s s n 7883 3275 7069 3851 s 1701 d 8651 5849 l 6707 w c z o k
Output (English): a, c, d, f, g, h, j, k, l, n, o, r, s, t, w, x, z