Task: Program Execution
Input (English): 8535 j k 6919 4741 i 5651 a 3133 t 419 k o 4143 585 c t 8649 d 5443 k a 5133 f a n 7631 n 9955 9399 7969 2855
Output (English): a, c, d, f, i, j, k, n, o, t