Task: Program Execution
Input (English): c 2695 q 7795 8227 q 9035 4043 733 e 9975 1023 v 8807 j 1597 x z o 8075 6469 5943 a 8097 439 u r v 2761 u 4015
Output (English): a, c, e, j, o, q, r, u, v, x, z