Task: Program Execution
Input (English): uyKNdRGPPXuzUUbBqIsoZbdEQlQUpdvyDDiUfxE, JiUUbBqIsoZbdEQlyVypeRNKHchK
Output (English): b, d, e, f, g, i, k, l, n, o, p, q, r, s, u, v, x, y, z