Equal Pairs

import java.util.Scanner;

public class EqualPairs {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in);

        int n = Integer.parseInt(scanner.nextLine());

        int previousSum = 0;
        int currentSum = 0;
        int maxDiff = 0;
        for (int i = 0; i < n; i++) {
            int firstNum = Integer.parseInt(scanner.nextLine());
            int secondNum = Integer.parseInt(scanner.nextLine());
            if (i != 0) {
                currentSum = firstNum + secondNum;
                if (Math.abs(currentSum - previousSum) > maxDiff) {
                    maxDiff = Math.abs(currentSum - previousSum);
                }
            }
            previousSum = firstNum + secondNum;
        }

        if (maxDiff == 0) {
            System.out.printf("Yes, value=%d", previousSum);
        } else {
            System.out.printf("No, maxdiff=%d", maxDiff);
        }
    }
}