Task: Program Execution
Input (English): o 369 z 5721 w v 4973 7773 k 3071 5103 425 4239 7977 n i k 8117 9843 n d 1353 h d v z j 8727 6997 x 767 4331 t
Output (English): d, h, i, j, k, n, o, t, v, w, x, z