import sys
input = sys.stdin.readline
H, W = map(int, input().split())
y, x = map(int, input().split())
u, v = map(int, input().split())

if abs(y - u) + abs(x - v) == 1:
  print("Yes")
  exit(0)

if (u == 1 or u == H) and (v == 1 or v == W):
  s = 2
  if u == H: s = H - 1
  t = 2
  if v == W: t = W - 1
  if abs(s - y) + abs(t - x) == 1:
    print("Yes")
    exit(0)
print("No")