codeforces-template/Codeforces.Console/Program.cs

namespace Codeforces
{
	public class Program
	{
		public static void Main()
		{
			int count = int.Parse(Console.ReadLine()!);
			for (int i = 0; i < count; i++)			
			{
				var numbers = Console.ReadLine()!
					.Split(' ')
					.Select(x => int.Parse(x));
				Console.WriteLine(numbers.Sum());
			}
		}
	}
}