Task: Program Execution
Input (English): YtkPIkmENaAHEQouyyuEoXPYxGhKxirqVVhsz, HdSYcqTvFpKuAHEQouyyuEoXPYxPieQBWeTm
Output (English): a, e, g, h, i, k, m, n, o, p, q, r, s, t, u, v, x, y, z