Task: Program Execution
Input (English): QpMdVNvoMoxgpfYBlYBABTvhlovEtvnhGpDC, tNDeDhgKBlYBABTvhlovEtvbqbblfFDBCyaGbR
Output (English): a, b, c, d, e, f, g, h, k, l, n, o, q, r, t, v, y