from sys import exit
h,w=map(int,input().split())
n1,n2=map(int,input().split())
z1,z2=map(int,input().split())
if h==1 or w==1:
    print("Yes")
    exit()
if (n1+n2-z1-z2)%2==0:
    print("No")
else:
    print("Yes")