Task: Program Execution
Input (English): oyAoonGWOrQqcrUoPkwArFpjzUNLEhLXp, FgIKGuWdrUoPkwArFpjzUNLlWiu
Output (English): a, c, e, f, g, h, j, k, l, n, o, p, q, r, u, w, x, y, z