program masuvu_1_6;

{$APPTYPE CONSOLE}

uses
  SysUtils;

var
  a:array[1..10000] of integer ;
  i,n:integer;
begin
  readln(n);
  for i:=1 to n do
  begin
  readln(a[i]);
  if a[i]<0 then
  a[i]:=sqr(a[i]);
  end;
  for i:=1 to n do
    writeln(a[i]);
  readln;
end.