var a, b, c, D, x, y: real;
begin
 readln(a, b, c); {ax^4 + bx^2 + c = 0}
 if a = 0 then
 writeln('Non-bisquare')
 else
 begin
  D := b * b - 4 * a * c;
  if D < 0 then
  writeln('No solutions')
  else
  begin if D = 0 then
   begin x := -b / 2 / a;
    if x < 0 then
     writeln('No solutions')
    else writeln('2 solutions: ', sqrt(x), ' ', -sqrt(x));
   end
   else
   begin x := (-b + sqrt(D)) / 2 / a;
    y := (-b - sqrt(D)) / 2 / a;
    if x < 0 then writeln('No solutions');
    if x = 0 then
     writeln('1 solution: 0');
    if (x > 0) and (y < 0) then
     writeln('2 solutions: ', sqrt(x):0:3, ' ', -sqrt(x):0:3);
    if (x > 0) and (y = 0) then
     writeln('3 solutions: ', sqrt(x):0:3, ' ', -sqrt(x):0:3, ' 0');
    if y > 0 then
     writeln('4 solutions: ', sqrt(x):0:3, ' ', -sqrt(x):0:3, ' ', sqrt(y):0:3, ' ', -sqrt(y):0:3);
   end;
  end;
 end;
end.