Java Read numbers

import java.util.Scanner;
public class Solution {
  private final static Scanner scanner = new Scanner(System.in);
   
  public static void main(String[] args) {
    int numberLines;
    int first;
    int second;
    int sum;
    numberLines = scanner.nextInt();
   while (numberLines > 0) {
       first= scanner.nextInt();
       second = scanner.nextInt();
      sum = first + second;
      
      System.out.println(sum);
 
      numberLines = numberLines - 1;
    }
  }
}