Task: Program Execution
Input (English): 5797 b a 2345 l 3371 7443 3131 b 3911 8923 k 4497 v 9349 2531 e 3967 g r 2571 3009 q 4111 i n j 7459 y c 1529 3911 a u u
Output (English): a, b, c, e, g, i, j, k, l, n, q, r, u, v, y