program masuvu_1_5;

{$APPTYPE CONSOLE}

uses
  SysUtils;

var
  a:array[1..10000] of integer ;
  r,s2,s1:real;
  i,n:integer;
  f1,f2:text;
begin
  assign(f1,'input.txt');
  reset(f1);
  assign(f2,'output.txt');
  rewrite(f2);
  readln(f1,n);
  for i:=1 to 2*n do
  readln(f1,a[i]);
  s1:=0;
  s2:=0;
  for i:=1 to n do
  s1:=s1+a[i];
  for i:=n+1 to 2*n do
  s2:=s2+a[i];
  r:=s1-s2;
  for i:=1 to 2*n do
  writeln(f2,r);
  close(f1);
  close(f2);
  readln;
end.