OOP_02

import java.util.*;
public class OOP_02 {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int n = scan.nextInt();
        scan.nextLine();
        int m = scan.nextInt();
        scan.nextLine();
        int[][] matrix = new int[n][m];
        for(int i =0;i<matrix.length;i++){
            for(int j =0;j<matrix[i].length;j++){
                matrix[i][j] = scan.nextInt();
                scan.nextLine();
            }
        }
        printmatrixwithspaces(matrix, 10);
    }



    public static void printmatrixwithspaces(int[][] matrix,int times){
        for(int i =0;i<matrix.length;i++){
            double sum = 0;
            for(int j =0;j<matrix[i].length;j++){
                sum+=matrix[i][j];
                for(int k = String.valueOf(matrix[i][j]).length();k<times;k++){
                    System.out.print(" ");
                }
                System.out.print(matrix[i][j]);
            }
            double average = sum / matrix[i].length;
            for(int k = String.valueOf(average).length();k<times;k++){
                System.out.print(" ");
            }
            System.out.print(average);
            System.out.println();
        }
    }
}