oop4

import java.util.Scanner;
public class zad4 {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);

        String choice = scan.nextLine();
        String[] numbers = choice.split(" ");

        int[][] array = new int[Integer.parseInt(numbers[0])][Integer.parseInt(numbers[1])];

        for(int i = 0; i < array.length; i++){
            String input = scan.nextLine();
            String[] nums = input.split(" ");
            for(int j = 0; j < array[0].length; j++){
                array[i][j] = Integer.parseInt(nums[j]);
            }
        }
        if(checkTicket(array)){
            System.out.println("YES");
            System.out.print("The amount of money won is: " + getPrize(array));
        }else{
            System.out.println("NO");
        }
    }

    public static boolean checkTicket(int[][] array){
        int sumMainDiagonal = 0;
        int sumSecondDiagonal = 0;
        int sumUp = 0;
        int sumDown = 0;

        for(int i = 0; i < array.length; i++){
            sumMainDiagonal+=array[i][i];
        }

        for(int i = array.length - 1; i >- 1; i--){
            sumSecondDiagonal+=array[i][i];
        }

        for(int i = 0; i < array.length; i++){
            for(int j = 1 + i; j < array[i].length; j++){
                sumUp+=array[i][j];
            }
        }

        for(int i = array.length - 1; i >- 1; i--){
            for(int j =i-1;j>-1;j--){
                sumDown+=array[i][j];
            }
        }


        if(sumMainDiagonal == sumSecondDiagonal){
            return true;
        }
        if(sumUp % 2 ==0){
            return true;
        }
        if(sumDown % 2 !=0){
            return true;
        }

        return false;
    }

    public static double getPrize(int[][] matrix){
        double sum_mainDiagonal = 0;
        double sum_down = 0;
        double outer_col = 0;
        double outer_row = 0;
        double average =0;

        for(int i = 0; i < matrix.length;i++){
            if(matrix[i][i] % 2 == 0){
                sum_mainDiagonal+=matrix[i][i];
            }
        }

        for(int i = 0; i < matrix.length; i = i + matrix.length - 1){
            for(int j = 0; j < matrix[i].length; j++){
                if(matrix[i][j] % 2 == 0){
                    outer_row += matrix[i][j];
                }
            }
        }

        for(int i = 0; i < matrix[0].length; i = i + matrix.length - 1){
            for(int j = 0; j < matrix.length; j++){
                if(matrix[j][i] % 2 != 0){
                    outer_col+=matrix[j][i];
                }
            }
        }

        for(int i = matrix.length - 1; i >- 1; i--){
            for(int j = i - 1; j >- 1; j--){
                sum_down += matrix[i][j];
            }
        }

        average = (sum_down + sum_mainDiagonal + outer_col + outer_row) / 4;
        double rounded = Math.round(average * 100) / 100;
        return rounded;

    }
}