using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
 
namespace CodeAbbey
{
    class p3
    {
        static void Main()
        {
            int numLine = Convert.ToInt32(Console.ReadLine());
            string line;
            string[] nums;
            int a, b;
            string s = "";
            for (int i = 0; i < numLine;i++ )
            {
                line = Console.ReadLine();
                nums = line.Split();
                a = Convert.ToInt32(nums[0]);
                b = Convert.ToInt32(nums[1]);
                s += String.Format("{0} ", a+ b); 
            }
            Console.WriteLine(s);
        }
    }
}

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