import java.util.*;
public class Main {
public static void main(String[] args){
Scanner sc = new Scanner(System.in);
int n = sc.nextInt();
for(int i = 0; i < n; i++) {
String[] str = sc.next().split(",");
int a = Integer.parseInt(str[0]);
int b = Integer.parseInt(str[1]);
System.out.println(a + b);
}
sc.close();
}
}