Task: Program Execution
Input (English): YSnOKaDMOmYwXJlmAKEKECmTzxTULLCmAJV, CPQZGFMOmYwXJlmAKEKECGx
Output (English): a, c, d, e, j, k, l, m, n, o, s, t, u, v, w, x, y, z