Task: Program Execution
Input (English): WXMvDjNqcRATtYKxnYkAXw, XfDTFlJfbHpNqcRATtYKxnYkAcMCPDw
Output (English): a, b, c, d, f, h, j, k, l, m, n, p, q, r, t, w, x, y