from sys import stdin as I

r1,r2 = map(int, I.readline().split())
c1,c2 = map(int, I.readline().split())
d1,d2 = map(int, I.readline().split())

a = (c1-r2+d1) / 2
b = r1 - a
c = c1 - a
d = r2 - c

v = [a,b,c,d]
if 0 <= min(v) and max(v) <= 9 and len(set(v)) == 4:
    print a, b
    print c, d
else:
    print -1