#!ruby -na
d=$F.map &:to_i
$m=[]
$l=[8,11,13][$$%3]
def f s,a,b
	if s > 0 && b.size < $l
		a.size.times{|i|f(s-a[i],a[i,$$],b+[a[i]])}
	elsif s == 0
		$m<<b
	end
end
f(d.shift,d,[])
k=$m.sort_by{|i|i.size}[0]
puts k ? k*" ":"-"