Different Parity - Repovive Starter Round 4 | Repovive

15A. Different Parity

500 pts1s256 MB

You are given two integers $l$ and $r$ .

Consider all integers from $l$ to $r$ , inclusive. Determine whether this interval contains at least one odd integer and at least one even integer.

l \quad r

Print Yes if the interval contains both an odd integer and an even integer.

Otherwise, print No.

Input

5 5

Explanation

The interval contains only the number $5$ , which is odd. There is no even number in the interval.

Output

No

Input

10 11

Explanation

The interval contains $10$ and $11$ . One of them is even and the other one is odd.

Output

Yes

Input

1 100000

Explanation

The interval contains many integers, including both odd and even integers.

Output

Yes

You are given two integers $l$ and $r$ .

Consider all integers from $l$ to $r$ , inclusive. Determine whether this interval contains at least one odd integer and at least one even integer.

l \quad r

The interval contains only the number $5$ , which is odd. There is no even number in the interval.

The interval contains $10$ and $11$ . One of them is even and the other one is odd.