九度論壇-1003

import java.util.ArrayList;
import java.util.List;
import java.util.Scanner;

public class Main2 {

	public static void main(String[] args) {
		// TODO Auto-generated method stub
		List<Long> result = new ArrayList<Long>();
		Scanner scanner = new Scanner(System.in);
		while (scanner.hasNext()) {
			
			String str = scanner.nextLine();
			if(str.equals("")){
				break;
			}
			
			String[] strArray = str.replaceAll(",", "").split(" ");
			result.add(Long.parseLong(strArray[0]) + Long.parseLong(strArray[1]));
		}
		
		for(long addResult : result){
			System.out.println(addResult);
		}

	}
}