Task: Program Execution
Input (English): eiiLDrzBHkvIHemhkqLkXhoCtyiqOns, ptoBHkvIHemhkqLkXlMHJHIMOPABua
Output (English): b, c, d, e, h, i, k, l, m, n, o, q, r, s, t, v, x, y, z