Task: Program Execution
Input (English): PIdvhhLcEntMrLsnbrJnyzZLjzaoq, OKqMVYxldtMrLsnbrJnaoEPURWOY
Output (English): a, b, c, d, e, h, i, j, l, m, n, o, p, q, r, s, t, v, y, z