Task: Program Execution
Input (English): MXmhyhiAwaRnXxPOJFJfIkijPCokhkwlCY, UJDFQnESNGSiamwaRnXxPOJFJfIkouzJ
Output (English): a, c, f, h, i, j, k, l, m, n, o, p, r, w, x, y