using System;
using System.IO;

public class Sum
{
	private static void Main()
	{
		using(StreamReader input = new StreamReader("input.txt"))
		using(StreamWriter output = new StreamWriter("output.txt"))
		{
			string line = input.ReadLine();
			string[] tokens = line.Split(new char[] {' '}, StringSplitOptions.RemoveEmptyEntries);
			int a = int.Parse(tokens[0]);
			int b = int.Parse(tokens[1]);
			int c = a + b;
			output.WriteLine(c);
		}
	}
}