program primenumber(input, output); const n = 65535; var prime : set of 0..n; i : integer; j : integer; begin prime := [0..n]; for i := 2 to n do if prime >= [i] then begin j := i + i; while j <= n do begin prime := prime - [j]; j := j + i; end end; for i := 2 to n do begin if prime >= [i] then writeln(i); end end.