Task: Program Execution
Input (English): krImTFNhzjCfZRnnIYaDGEiyiNNYZGMHo, wrHSnrMFNhzjCfZRnnIYaogKQqBwc
Output (English): a, c, d, e, f, g, h, i, j, k, m, n, o, r, t, y, z