Task: Program Execution
Input (English): i 2397 9117 2431 o 6437 h 9215 2605 5311 v h s t r u 9855 3375 1909 537 r 6331 r 1205 x 7791 z 4081 a 3509 3161 l
Output (English): a, h, i, l, o, r, s, t, u, v, x, z