# 想定解

H, W = map(int, input().split())
ni, nj = map(int, input().split())
zi, zj = map(int, input().split())

assert 2 <= H <= 10 ** 9
assert 2 <= W <= 10 ** 9
assert 1 <= ni <= H
assert 1 <= nj <= W
assert 1 <= zi <= H
assert 1 <= zj <= W
assert (ni, nj) != (zi, zj)

if (abs(ni - zi) + abs(nj - zj)) % 2 == 1:
    print("Yes")
else:
    print("No")