Task: Program Execution
Input (English): baTMcOmJQhWXjZcwZpKYqDvn, PgsFUvRHCqsJQhWXjZcwZpKYRJEyig
Output (English): c, e, f, g, h, i, j, k, p, q, r, s, u, v, w, x, y, z