Task: Program Execution
Input (English): 3829 w 6723 i 7281 q a i 6599 9517 1375 m j 1931 4209 4813 h 6231 x t 4583 e v n 5031 7215 z 9269 i 721 m 6579 1965 z 2331 9227 c
Output (English): a, c, e, h, i, j, m, n, q, t, v, w, x, z