Javabook softuni 5.1

package com.company;

import java.util.Scanner;

public class Main {

    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        int n = Integer.parseInt(scan.nextLine());
        int sum = 0;
        int diff = 0;
        int sum2 = 0;

        for (int i = 1; i <= n; i++) {
             int cn = scan.nextInt();
             int cn2 = scan.nextInt();
             sum = cn + cn2;
             if(sum > sum2){
                 diff = sum - sum2;
             }else{
                 diff = sum2 - sum;
             }
             sum2 = sum;
        }

           if (diff == 0) {
               System.out.println("Yes, value=" + sum);
           }else{
               System.out.println("No, maxdiff=" + diff);
           }


    }
}