import java.math.BigInteger;
import java.util.*;
public class Main {
public static void main
(String str
[]){ Scanner sc
=new Scanner
(System.
in); int n=sc.nextInt();
for(int i=0;i<n;i++){
a1=sc.nextBigInteger();
a1.add(sc.nextBigInteger());
a1.add(sc.nextBigInteger());
a1.add(sc.nextBigInteger());
}
}
}
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