Task: Program Execution
Input (English): eykpkpJUaTABRvXLdBinMgeAQKNyBeadZQKqQH, ffQMoLqxxTABRvXLdBinMgeAHdYhXB
Output (English): a, b, d, e, g, h, i, j, k, l, m, n, p, q, r, t, u, v, x, y, z