10355: ABC326 —— A - 2UP3DOWN
[Creator : ]
Description
Takahashi is in a building with $100$ floors.
He uses the stairs for moving up two floors or less or moving down three floors or less, and uses the elevator otherwise.
Does he use the stairs to move from floor $X$ to floor $Y$?
He uses the stairs for moving up two floors or less or moving down three floors or less, and uses the elevator otherwise.
Does he use the stairs to move from floor $X$ to floor $Y$?
Input
The input is given from Standard Input in the following format:
```
$X$ $Y$
```
```
$X$ $Y$
```
Output
If Takahashi uses the stairs for the move, print `Yes`; if he uses the elevator, print `No`.
Constraints
- $1 \leq X,Y \leq 100$
- $X \neq Y$
- All input values are integers.
- $X \neq Y$
- All input values are integers.
Sample 1 Input
1 4
Sample 1 Output
No
The move from floor 1 to floor 4 involves going up three floors, so Takahashi uses the elevator.
Sample 2 Input
99 96
Sample 2 Output
Yes
The move from floor 99 to floor 96 involves going down three floors, so Takahashi uses the stairs.
Sample 3 Input
100 1
Sample 3 Output
No