Task: Program Execution
Input (English): PgZlPsfOVjTrpLvqEHHBhsrAjqgc, AJRyJjTrpLvqEHHBhXRtSKgI
Output (English): a, b, c, e, f, g, h, j, l, o, p, q, r, s, t, v, z