Takahashi is participating in a programming contest, AXC001. He has just submitted his code to Problem A.
The problem has N test cases, all of which must be passed to get an AC verdict.
Takahashi's submission has passed M cases out of the N test cases.
Determine whether Takahashi's submission gets an AC.

Constraints

• $1 \leq N \leq 100$
• $0 \leq M \leq N$
• All values in input are integers.

Input

Input is given from Standard Input in the following format:

N M

Output

If Takahashi's submission gets an AC, print Yes; otherwise, print No.

Examples

Input

3 3

Output

Yes

Input

3 2

Output

No

Input

1 1

Output

Yes

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