import java.util.*;

public class Main {

    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);

        int a;
        System.out.println("a = ");
        a = sc.nextInt();

        System.out.println("b = ");
        int b;
        b = sc.nextInt();

        int suma = 0;

        suma = a + b;
        if(suma == 2_000_000_000)
            return;
        System.out.println(suma);
    }
}