System.in.eachLine{c=(it=~/\d+/)*.toShort()
e=c.remove(0)
a=[[]]
for(q=[i=0];(b=q[i++])>=0;)b<e&&c.sum{a[u=b+it]=a[u]?:q<<u?a[b]+it:0}
println a[e]?.join(' ')?:'-'}