program idan;
uses crt;
var
a,b,c,i:integer;
begin
clrscr;
c:=1;
       for a:=3 downto 0 do
       begin
          for b:=1 to a do
          begin
           write (' ');
          end;
          for i:=1 to c do
          write ('*');
          writeln;
          c:=c+2;
       end;
end.