program Project1;

{$APPTYPE CONSOLE}

uses
  SysUtils;

var
  x,y,x1,x2,y2,s:integer;
  r,rr:real;
begin
  assign(input,'input.txt');
  assign(output,'output.txt');
  reset(input);
  rewrite(output);


  readln(input, x,y,x1,x2,y2,s);
  r:=x-x1+sqrt(sqr(x2-x)+sqr(y2));
  rr:=x1+y+sqrt(sqr(x2)+sqr(y2-y));

  if (s>=r)or(s>=rr) then
    writeln(output,'YES') else
    writeln(output,'NO');
//  writeln(output,a+b);


  close(output);
  close(input);
end.