Task: Program Execution
Input (English): SnIxlUoDCOaOsVTFNReAyWQyiT, kCQHbaOsVTFNReAyWQyIFoGcvgob
Output (English): a, b, c, e, f, g, h, i, k, n, o, q, r, s, t, v, w, y