Task: Program Execution
Input (English): DzCqmXzZvxuGKyDdcRIjAwnMr, uBmQOpIaPIknmXzZvxuGKyDdczoAvzMJrw
Output (English): a, b, c, d, g, i, j, k, m, n, o, p, q, r, u, v, w, x, y, z