$a,$b,$c = gets.split.map(&:to_i)

d = $b*$b - 4*$a*$c
if  d< 0 then
    puts "imaginary"
    return
end
a= $a.to_f
b=$b.to_f
c=$c.to_f
mid = -b/(2*a)
if d==0 then
    puts sprintf("%10.16f",mid)
    return
end

def f(x)
   return $a*x*x + $b*x +$c
end

l = -1e9
r = mid
3000.times do
    m = (l+r)/2
    if f(m) < 0 then r=m
    else l = m
    end
end
x1 = l
x2 = mid + (mid-l)
puts "#{x1} #{x2}"