https://www.acmicpc.net/problem/1000
using System;
namespace baekjoon
{
class Program
{
static void Main(string[] args)
{
string input = Console.ReadLine();
string[] number = input.Split(' ');
int numberA = int.Parse(number[0]);
int numberB = int.Parse(number[1]);
Console.WriteLine(numberA + numberB);
}
}
}