Task: Program Execution
Input (English): lBlwoqCotcOJzJsYmncTrqpbgBFrEv, fSAFTjKBzJzJsYmncTrqpELUAFOykgO
Output (English): a, b, c, e, f, g, j, k, l, m, n, o, p, q, r, s, t, u, y, z