Task: Program Execution
Input (English): CzDqOXhfqGmmKUbmGcaZPnnavvmAosJkXUciLur, dUmKUbmGcaZPnnavzrTssDAAohbK
Output (English): a, b, c, d, f, g, h, i, j, k, l, m, n, o, p, q, r, s, u, v, x, z