def ascan; gets.split.map(&:to_i); end
def scan; gets.to_i; end

aa,bb,cc = ascan

@a=aa
@b=bb
@c=cc
def calc(x)
    x*x*x+@a*x*x+@b*x+@c
end

def divc(x)
    3*x*x+2*@a*x+@b
end

def my_nice_function(x)
    (4.0/3.0*(@b-@a*@a)*x+8.0/3.0*(@c-@a*@b))/(3.0*x*x+2.0*x*@a+@b)+(3.0*x+@a)/9.0
end

def newton(x)
    x = (x).to_f
    52.times{
        x = x-calc(x)/divc(x)# my_nice_function(x)#
    }
    x.round
end

chance = (-20..20).to_a

li = []
while li.size<3
    x0 = rand((-1e9.to_i)..(1e9.to_i))
    x0 = chance.pop unless chance.empty?
    z = newton(x0)
    li << z
    li.sort!.uniq!
end
puts li*" "