Task: Program Execution
Input (English): 7431 e 411 2011 q j g 5823 1971 l i a 5971 n k 3047 z w 2287 j r x 7057 3475 5367 f g 1089 w e 1761 5849 n w b 4387 2283 6379
Output (English): a, b, e, f, g, i, j, k, l, n, q, r, w, x, z