import itertools
l=map(int,raw_input().split())
x=[(l[0]+l[1])*2,(l[0]+l[2])*2,(l[1]+l[2])*2]
r=map(int,raw_input().split())
l=[]
for i in itertools.permutations([0,1,2]):
	for j in itertools.permutations([0,1,2]):
		l+=[sum(x[i[k]]*r[j[k]]for k in[0,1,2])]
print min(l)