import java.util.Scanner;
public class Main {
public static void main(String[] args) {
Scanner input = new Scanner(System.in);
int t = input.nextInt();
for(int i = 0; i < t; i++) {
int a = input.nextInt();
int b = input.nextInt();
System.out.println(a+b);
}
}
}
import sys
1.
t = int(input())
for i in range(t):
a,b = map(int,input().split())
print(a+b)
2.
t = int(sys.stdin.readline())
for i in range(t):
a,b=map(int,sys.stdin.readline().split())
sys.stdout.write(f"{a + b}\n")