[C#] 백준 15552번 : 빠른 A+B

[C#] 백준 15552번 : 빠른 A+B

using System;
using System.Text;

class Program
{
    static void Main()
    {
        StringBuilder sb = new StringBuilder();

        string a = Console.ReadLine();
        int num1 = int.Parse(a);

        for (int i = 0; i < num1; i++)
        {
            string b = Console.ReadLine();
            string[] numbers = b.Split(' ');

            int num2 = int.Parse(numbers[0]);
            int num3 = int.Parse(numbers[1]);

            sb.AppendLine((num2 + num3).ToString());
        }
        Console.WriteLine(sb);
    }
}