import sys
input = lambda : sys.stdin.readline().rstrip()

write = lambda x: sys.stdout.write(x+"\n")
debug = lambda x: sys.stderr.write(x+"\n")
writef = lambda x: print("{:.12f}".format(x))
# sys.setrecursionlimit(3*10**5+10)

h,w = list(map(int, input().split()))
a,b = list(map(int, input().split()))
c,d = list(map(int, input().split()))
if h==1 or w==1 or (abs(a-c)+abs(b-d))%2==1:
    print("Yes")
else:
    print("No")