I - Little Boxes

 1 import java.math.BigInteger;
 2 import java.util.Scanner;
 3 
 4 public class Main {
 5     public static void main(String[] args) {
 6         Scanner input = new Scanner(System.in);
 7         int T = input.nextInt();
 8         for(int i = 1; i <=T; i++){
 9             BigInteger ans = new BigInteger("0");
10             String s;
11             for(int k = 1; k <= 4; k++){
12                 s=input.next();
13                 BigInteger tmp = new BigInteger(s);
14                 ans=ans.add(tmp);
15             }
16             System.out.println(ans);
17         }
18     }
19 }