Task: Program Execution
Input (English): wKSWeVPmTsqklenBRQCjVpJmoxceZbS, okTahfPzOzLBeVPmTsqklenBRQcsY
Output (English): b, c, e, j, k, l, m, n, o, p, q, r, s, t, v, w, x, z