Task: Program Execution
Input (English): nHSBXMHGStonvoJClWsMMzOFQRAEfLsG, dIVbWTvkgunvoJClWsMMzOKWaBaKvlN
Output (English): a, b, c, e, f, g, h, j, l, m, n, o, q, r, s, t, v, w, x, z