h,w = map(int,input().split())
ni,nj = map(int,input().split())
zi,zj = map(int,input().split())
if h == 1 or w == 1:
    print("Yes")
    exit()
if (ni+nj)%2 == (zi+zj)%2:
    print("No")
else:
    print("Yes")