Task: Program Execution
Input (English): 3411 a v j 8925 909 h l r 1371 u 7789 4813 u q i 8473 n 7191 c 4641 e 5107 q z t 105 q
Output (English): a, c, e, h, i, j, l, n, q, r, t, u, v, z