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program primzahlsuche;
uses crt;

const MAX             = 1000  ;
         DEFAULT      = 0;

var prim_feld         : array[1..MAX] of word;
         i,j               : longint; 

 begin
 clrscr;
  for i:=1 to max do
    prim_feld[i]:=i;

  for i:=2 to (MAX/2) do
    for j:=2 to (MAX/2) do
      if (i*j)<= MAX then
        begin
          prim_feld[i*j]:=DEFAULT;
        end;

  for i:=1 to max do
    begin
      if prim_feld[i]<>DEFAULT then write(prim_feld[i],' ');
    end;
    readkey;
 end.