A=[*map(int,input().split())]
B=[*map(int,input().split())]
f=lambda z:z[0]!=z[2]and(z[1]>max(z[0],z[2])or z[1]<min(z[0],z[2]))
R=range(3)
def g():
	for i in R:
		for j in R:
			A[i],B[j]=B[j],A[i]
			if f(A)+f(B)>1:	return "Yes"
			A[i],B[j]=B[j],A[i]
	return "No"
print(g())