Task: Program Execution
Input (English): BAQWpdYwXAglBqtKAJqJY, FNCDKPmRiYwXAglBqtvhRGeJBg
Output (English): a, b, c, d, e, f, g, h, i, j, k, l, m, n, p, q, r, t, v, w, x, y