import sys
#sys.setrecursionlimit(10 ** 6)
INF = float('inf')
#10**20,2**63に変えるのもあり
MOD = 10**9 + 7
MOD2 = 998244353
from collections import defaultdict
def solve():
    def II(): return int(sys.stdin.readline())
    def LI(): return list(map(int, sys.stdin.readline().split()))
    def LC(): return list(input())
    def IC(): return [int(c) for c in input()]
    def MI(): return map(int, sys.stdin.readline().split())
    H,W = MI()
    ni,nj = MI()
    zi,zj = MI()
    if abs(ni-zi) + abs(nj-zj) <= 1:
        print("Yes")
        exit()
    elif (abs(ni-zi) + abs(nj-zj))%2 == 1:
        print("Yes")
        exit()
    else:
        print("No")
        exit()
    return
solve()