program richkovuyvokzal;

{$APPTYPE CONSOLE}

uses
  SysUtils;

var V1,V2,N,V3,Y,Z,C:integer;
begin
  { TODO -oUser -cConsole Main : Insert code here }
  readln(V1,V2,V3,N,Y,Z);//A:=V1*Y; vidstan'yaku propluv teploxid;
  //B:=V2*N; - vidstan'yaku propluv turust;
  C:=((V1*Y)+(V2+N))div V3;
  write(C);
  if(C=Z) then writeln('Vstugne');
  if(C<Z) then writeln('Nevstugne');
  readln;

end.