Task: Program Execution
Input (English): UcAIHgbqZWTjkLGzGmPqUG, KChvxbqZWTjkLGzGmPqoicPpdrKWNJ
Output (English): b, c, d, g, h, i, j, k, l, m, n, o, p, q, r, t, v, w, x, z