r = lambda :map(int,input().split())
r1,r2 = r()
c1,c2 = r()
d1,d2 = r()
if (r1-c1+d2)%2==0:
    x2 = (r1-c1+d2)//2
    x1 = r1-x2
    x3 = d2-x2
    x4 = c2-x2
    if (0<=x1<=9 and 0<=x2<=9 and 0<=x3<=9 and 0<=x4<=9 and x1+x3==c1 and x3+x4==r2 and x1+x4==d1):
        print(x1,x2)
        print(x3,x4)
    else:
        print(-1)
else:
    print(-1)