Task: Program Execution
Input (English): utuRGuofxbBuWFniUNPoQBkjfKCyfExuOLxgBi, vhACnlbBuWFniUNPoQBkjKXFLB
Output (English): b, c, e, f, g, i, j, k, l, n, o, p, q, r, t, u, w, x, y