Task: Program Execution
Input (English): JRkOwTgwLOylhrajHgwFVMuZWGbpVVK, VOiEnAGVqtkOwTgwLOylhrajHKPtZOrjPUhFHv
Output (English): a, e, f, g, h, i, j, k, l, n, o, p, q, r, t, u, v, w, y, z