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 C# (Mono 4.6.2.0) (judge verdict: Accepted)

using System;


public class A
{
	public static void Main()
	{
		string[] args = Console.ReadLine().Split(' ');
		int a = Int32.Parse(args[0]);
		int b = Int32.Parse(args[1]);
		int c = Int32.Parse(args[2]);
			
		Console.WriteLine((a == b) && (b == c) ? "Yes" : "No");
	}	
}