hdu1000

//c #include"stdio.h" int main() { int i, j; while(scanf("%d%d", &i, &j) == 2) printf("%d\n", i + j); return 0; }

//c++

#include  using namespace std; int main() { int a, b; while(cin >> a >> b) { cout << a + b << endl; } return 0; }

//C# using System; using System.Collections.Generic; using System.Linq; using System.Text; using System.Threading.Tasks;

namespace csharp { class Program { static void Main(string[] args) { string s; int a, b; while ((s = Console.ReadLine())!=null) { string[] str = s.Split(' '); a = Convert.ToInt32(str[0]); b = Convert.ToInt32(str[1]); Console.WriteLine("{0}", a + b); } } } }

//java import java.util.Scanner;

public class Main {

public static void main(String args[]){
    int a,b;
    Scanner s=new Scanner(System.in);
    while(s.hasNextInt()){
        a=s.nextInt();
        b=s.nextInt();
        System.out.println((a+b));
    }
}

}