
import java.util.Scanner;

public class Main
{

	public static void main(String[] args)
	{
		Scanner in = new Scanner(System.in);
		int a, b, c;
		Boolean t = true;
		a = in.nextInt();
		b = in.nextInt();
		c = in.nextInt();

		if (a >= b)
			t = false;	
		if (b >= c)
			t = false;

		if (t)
			System.out.println("Yes");
		else
		{
			System.out.println("No");
		}

	}

} import java.util.Scanner; Scanner java.util public class Main
{

	public static void main(String[] args)
	{
		Scanner in = new Scanner(System.in);
		int a, b, c;
		Boolean t = true;
		a = in.nextInt();
		b = in.nextInt();
		c = in.nextInt();

		if (a >= b)
			t = false;	
		if (b >= c)
			t = false;

		if (t)
			System.out.println("Yes");
		else
		{
			System.out.println("No");
		}

	}

} Main public static void main(String[] args)
	{
		Scanner in = new Scanner(System.in);
		int a, b, c;
		Boolean t = true;
		a = in.nextInt();
		b = in.nextInt();
		c = in.nextInt();

		if (a >= b)
			t = false;	
		if (b >= c)
			t = false;

		if (t)
			System.out.println("Yes");
		else
		{
			System.out.println("No");
		}

	} main {
		Scanner in = new Scanner(System.in);
		int a, b, c;
		Boolean t = true;
		a = in.nextInt();
		b = in.nextInt();
		c = in.nextInt();

		if (a >= b)
			t = false;	
		if (b >= c)
			t = false;

		if (t)
			System.out.println("Yes");
		else
		{
			System.out.println("No");
		}

	} Scanner in = new Scanner(System.in); in new Scanner(System.in) int a a b b c; c Boolean t = true; t true a = in.nextInt() a in.nextInt() in.nextInt in b = in.nextInt() b in.nextInt() in.nextInt in c = in.nextInt() c in.nextInt() in.nextInt in if (a >= b)
			t = false; a >= b a b t = false t false if (b >= c)
			t = false; b >= c b c t = false t false if (t)
			System.out.println("Yes");
		else
		{
			System.out.println("No");
		} t System.out.println("Yes") System.out.println System.out System System.out "Yes" {
			System.out.println("No");
		} System.out.println("No") System.out.println System.out System System.out "No" String[] args args public class Main
{

	public static void main(String[] args)
	{
		Scanner in = new Scanner(System.in);
		int a, b, c;
		Boolean t = true;
		a = in.nextInt();
		b = in.nextInt();
		c = in.nextInt();

		if (a >= b)
			t = false;	
		if (b >= c)
			t = false;

		if (t)
			System.out.println("Yes");
		else
		{
			System.out.println("No");
		}

	}

} public class Main
{

	public static void main(String[] args)
	{
		Scanner in = new Scanner(System.in);
		int a, b, c;
		Boolean t = true;
		a = in.nextInt();
		b = in.nextInt();
		c = in.nextInt();

		if (a >= b)
			t = false;	
		if (b >= c)
			t = false;

		if (t)
			System.out.println("Yes");
		else
		{
			System.out.println("No");
		}

	}

} Main

import java.util.Scanner;

public class Main
{

	public static void main(String[] args)
	{
		Scanner in = new Scanner(System.in);
		int a, b, c;
		Boolean t = true;
		a = in.nextInt();
		b = in.nextInt();
		c = in.nextInt();

		if (a >= b)
			t = false;	
		if (b >= c)
			t = false;

		if (t)
			System.out.println("Yes");
		else
		{
			System.out.println("No");
		}

	}

}