Task: Program Execution
Input (English): jWAyGGUgdatmlRiYJwuWnqJhEDBKxYu, kxvOmlRiYJwuWnqJhEDdsTIbfwi
Output (English): a, b, d, e, g, h, i, j, k, l, m, n, q, r, t, u, w, x, y