Task: Program Execution
Input (English): BMvYYNHVXQIZNnQtStVJuuyYN, uisebRjqjmVXQIZNnQtStVJuECIOylf
Output (English): b, c, e, f, i, j, l, m, n, o, q, r, s, t, u, v, x, y, z