Problem Statement

You are given three integers $A, B$ and $C$.

Determine if there exists an equilateral triangle whose sides have lengths $A, B$ and $C$.

Constraints

• All values in input are integers.
• $1 \\leq A,B,C \\leq 100$

Input

Input is given from Standard Input in the following format:

$A$ $B$ $C$

Output

If there exists an equilateral triangle whose sides have lengths $A, B$ and $C$, print Yes; otherwise, print No.

Sample Input 1

2 2 2

Sample Output 1

Yes

• There exists an equilateral triangle whose sides have lengths $2, 2$ and $2$.

Sample Input 2

3 4 5

Sample Output 2

No

• There is no equilateral triangle whose sides have lengths $3, 4$ and $5$.