PTS

program xxxxxxxx;
var y, n, res, x: int64;
begin
    y:=30;
    for n:=trunc(sqrt(y*2)) downto 1 do begin
        x:=y-(n*(n+1) div 2);
        if x mod n=0 then begin
            writeln(x div n, ' ', n);
            halt();
        end;
    end;
end.