h, w = map(int, input().split())
ni,nj = map(int,input().split())
zi,zj = map(int,input().split())
ni, nj = ni-1, nj-1
zi, zj = zi-1, zj-1
d = abs(ni-zi)+abs(nj-zj)
if d == 1:
    print('Yes')
    exit()

if h == 1 or w == 1:
    print('Yes')
    exit()

if (zi, zj) in {(0, 0), (0, w-1), (h-1, 0), (h-1, w-1)}:
    if abs(ni-zi) == 1 and abs(nj-zj) == 2:
        print('Yes')
        exit()
    if abs(ni-zi) == 2 and abs(nj-zj) == 1:
        print('Yes')
        exit()

if zi == 0 and zj == 1:
    if ni == 1 and nj == 3:
        print('Yes')
        exit()

if zi == 0 and zj == w-1:
    if ni == 1 and nj == w-3:
        print('Yes')
        exit()

if zi == h-1 and zj == 1:
    if ni == h-2 and nj == 3:
        print('Yes')
        exit()

if zi == h-1 and zj == w-1:
    if ni == h-2 and nj == w-3:
        print('Yes')
        exit()

print('No')