using System;

public class Program

{

    public static void Main()

    {

        int rows = int.Parse(Console.ReadLine());

        int cols = int.Parse(Console.ReadLine());

        int[,] matrix = new int [rows, cols];

        for (int row = 0; row < rows; row++)

        {

            for (int col = 0; col < cols; col ++)

            {

                matrix [row, col] = int.Parse(Console.ReadLine());

            }

        }

        double SrAr = 0;

        for (int row = 0; row < rows; row++)

        {

            for (int col = 0; col < cols; col ++)

            {

                SrAr += matrix[row, col];

                Console.WriteLine(matrix[row, col] + " ");

            }

            SrAr = SrAr/ cols;

            Console.WriteLine("  " + SrAr);

        }

    }

}