Task: Program Execution
Input (English): WStwEYOJsGsOhZoZkaLehWxnLzVdltVeCWqn, HmIiVNAIxxNDGsOhZoZkaLehWxninFwJ
Output (English): a, c, d, e, g, h, j, k, l, n, o, q, s, t, v, w, x, y, z