a = list(map(int, input().split()))
b = list(map(int, input().split()))

for i in range(3):
    for j in range(3):
        a[i], b[j] = b[j], a[i]
        
        if ((a[1] - a[0]) * (a[1] - a[2]) > 0 and a[0] != a[2] and
            (b[1] - b[0]) * (b[1] - b[2]) > 0 and b[0] != b[2]):
            print("Yes")
            break
        
        a[i], b[j] = b[j], a[i]
    else:
        continue
    break
else:
    print("No")