Task: Program Execution
Input (English): 165 e k 8263 f e 8891 w 9657 3743 a y 6627 71 2069 1891 3417 v 5129 v 4883 h x 6457 8581 i 6663 g w l u 181
Output (English): a, e, f, g, h, i, k, l, u, v, w, x, y