백준 10950

import java.util.Scanner;


public class Main10950 {

	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		int T = sc.nextInt();
		int[] result = new int[T];
		for(int i=0; i<T; i++){
			int A = sc.nextInt();
			int B = sc.nextInt();
			result[i] = A+B;
		}
		for(int i=0; i<T;i++){
			System.out.println(result[i]);
		}
	}

}