Task: Program Execution
Input (English): h x 1651 t 4247 e v 79 7391 i a 911 e 8527 f 4633 q 8241 j p 1511 9679 6255 l g 4501 337 r n 2535 u z o a v 905 e 7801 2769 4089 c 7265
Output (English): a, c, e, f, g, h, i, j, l, n, o, p, q, r, t, u, v, x, z