Problem:
Score : 100 points

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.

Solution in Scala (2.11.7) (judge verdict: Accepted)

object Main{
 def main(args:Array[String]) = {
  val sc = new java.util.Scanner(System.in)
  val List(a,b,c) = List.fill(3)(sc.nextInt)
  if(a == b && b == c){
   println("Yes")
  }else{
   println("No")
   }
   }
   }