import java.util.*;
public class acm1095 {
/**
* @param args
*/
public static void main(String[] args) {
Scanner in=new Scanner(System.in);
while(in.hasNextInt()){
int a=in.nextInt();
int b=in.nextInt();
System.out.println(a+b);
System.out.println();
}
}
}
public class acm1095 {
/**
* @param args
*/
public static void main(String[] args) {
Scanner in=new Scanner(System.in);
while(in.hasNextInt()){
int a=in.nextInt();
int b=in.nextInt();
System.out.println(a+b);
System.out.println();
}
}
}