Task: Program Execution
Input (English): sRLxqzHXvJIrqtQVGkTAHueCYIBQXfGz, dnKeXqzHXvJIrqtQVGkTFQbcXAXulzIvb
Output (English): a, b, c, d, e, f, g, h, i, j, k, l, n, q, r, t, u, v, x, z