program l62;

{$APPTYPE CONSOLE}

uses
  SysUtils,math;

const
n=2700;
h=0.001;

var
res,p,t:real;
nn:longint;

function f(x:real):real;
var xx:real;
begin xx:=sqr(x);
result:=10-(2*power(xx*x,3)+7*xx-3*xx*xx)*sin(12*x);
end;
begin
res:=-1;

nn:=0;p:=-1.5;
while nn<n do begin
t:=f(p);
p:=p+h;
if (t>0) then
  if (res<0) then res:=t else
  if (res>t) then res:=t;
inc(nn);
end;

if res<0 then writeln('No such root') else writeln(res:4:2);
readln;

end.