public static void miniMaxSum(List<int> arr)
{
    // Calculate the total sum of all elements, casting to long
    // (necessary because the sum might exceed the int limit in some cases).
    long total = arr.Sum(x => (long)x);

    // The minimum sum is obtained by subtracting the largest element (Max).
    long minSum = total - arr.Max();

    // The maximum sum is obtained by subtracting the smallest element (Min).
    long maxSum = total - arr.Min();

    // Print both sums in the expected format: "minSum maxSum"
    Console.WriteLine($"{minSum} {maxSum}");
}