题目1198：a+b

import java.util.Scanner;
import java.math.BigInteger;
import java.io.IOException;
import java.io.File;
import java.io.FileReader;
import java.io.BufferedReader;
import java.io.InputStreamReader;

class Main
{
	private final static boolean DEBUG = false;
	
	public static void main(String[] args) throws IOException
	{
		Scanner cin;
		BigInteger a, b;
		
		if (DEBUG) {
			cin = new Scanner(new BufferedReader(new FileReader(new File("d:\\OJ\\uva_in.txt"))));
		} else {
			cin = new Scanner(new BufferedReader(new InputStreamReader(System.in)));
		}
		
		while (cin.hasNext()) {
			a = cin.nextBigInteger();
			b = cin.nextBigInteger();
			System.out.println(a.add(b).toString());
			
		}
	}
}