{-------------------------------

 -------------------------------
  # Max Tkachenko # Group 112 #
 -------------------------------
}

Program task_3_29___A(input,output);

 var
  a, b, c : integer;
  res : boolean;

 begin
  writeln('Input A, B, C:');
   readln(a, b, c);

    a := sqr(b) - 4 * a * c;

    res := (a > 0);

   writeln(res);
  readln;
 end.