Task: Program Execution
Input (English): vHijkETzyIUUsGWPrxFdijtHGXAwPUXNshdmvuqe, jEMVUZTbNRVRknUUsGWPrxFdijtHGjwAoBIF
Output (English): a, d, e, f, g, h, i, j, k, m, n, p, q, r, s, t, u, v, w, x, y, z