Task: Program Execution
Input (English): JFfEYMbYbJThZlhYzJTBScIlglvkxjQxeq, HLlQbYbJThZlhYzJTBSmj
Output (English): b, c, e, f, g, h, i, j, k, l, m, q, s, t, v, x, y, z