Task: Program Execution
Input (English): xcowhpQswvXSmjorugpVanOiypke, PxebCYmhpQswvXSmjorugDiOzhBXliMVAB
Output (English): a, b, c, d, e, g, h, i, j, l, m, o, p, q, r, s, u, v, w, x, y, z