/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
public class Main
//class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
        BufferedReader stdReader =
            new BufferedReader(new InputStreamReader(System.in));
        String[] nums = stdReader.readLine().split(" ");
         
        int a = Integer.parseInt(nums[0]);
        int b = Integer.parseInt(nums[1]);
        int c = Integer.parseInt(nums[2]);
        
        if( (a < b) && (b < c) ) {
        	System.out.println("Yes");
        } else {
        	System.out.println("No");
        }
	}
} import java.util.*; util.* java import java.lang.*; lang.* java import java.io.*; io.* java public class Main
//class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
        BufferedReader stdReader =
            new BufferedReader(new InputStreamReader(System.in));
        String[] nums = stdReader.readLine().split(" ");
         
        int a = Integer.parseInt(nums[0]);
        int b = Integer.parseInt(nums[1]);
        int c = Integer.parseInt(nums[2]);
        
        if( (a < b) && (b < c) ) {
        	System.out.println("Yes");
        } else {
        	System.out.println("No");
        }
	}
} Main public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
        BufferedReader stdReader =
            new BufferedReader(new InputStreamReader(System.in));
        String[] nums = stdReader.readLine().split(" ");
         
        int a = Integer.parseInt(nums[0]);
        int b = Integer.parseInt(nums[1]);
        int c = Integer.parseInt(nums[2]);
        
        if( (a < b) && (b < c) ) {
        	System.out.println("Yes");
        } else {
        	System.out.println("No");
        }
	} main {
		// your code goes here
        BufferedReader stdReader =
            new BufferedReader(new InputStreamReader(System.in));
        String[] nums = stdReader.readLine().split(" ");
         
        int a = Integer.parseInt(nums[0]);
        int b = Integer.parseInt(nums[1]);
        int c = Integer.parseInt(nums[2]);
        
        if( (a < b) && (b < c) ) {
        	System.out.println("Yes");
        } else {
        	System.out.println("No");
        }
	} BufferedReader stdReader =
            new BufferedReader(new InputStreamReader(System.in)); stdReader new BufferedReader(new InputStreamReader(System.in)) String[] nums = stdReader.readLine().split(" "); nums stdReader.readLine().split(" ") stdReader.readLine().split stdReader.readLine() stdReader.readLine stdReader " " int a = Integer.parseInt(nums[0]); a Integer.parseInt(nums[0]) Integer.parseInt Integer nums[0] nums 0 int b = Integer.parseInt(nums[1]); b Integer.parseInt(nums[1]) Integer.parseInt Integer nums[1] nums 1 int c = Integer.parseInt(nums[2]); c Integer.parseInt(nums[2]) Integer.parseInt Integer nums[2] nums 2 if( (a < b) && (b < c) ) {
        	System.out.println("Yes");
        } else {
        	System.out.println("No");
        } (a < b) && (b < c) (a < b) a b (b < c) b c {
        	System.out.println("Yes");
        } 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
//class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
        BufferedReader stdReader =
            new BufferedReader(new InputStreamReader(System.in));
        String[] nums = stdReader.readLine().split(" ");
         
        int a = Integer.parseInt(nums[0]);
        int b = Integer.parseInt(nums[1]);
        int c = Integer.parseInt(nums[2]);
        
        if( (a < b) && (b < c) ) {
        	System.out.println("Yes");
        } else {
        	System.out.println("No");
        }
	}
} public class Main
//class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
        BufferedReader stdReader =
            new BufferedReader(new InputStreamReader(System.in));
        String[] nums = stdReader.readLine().split(" ");
         
        int a = Integer.parseInt(nums[0]);
        int b = Integer.parseInt(nums[1]);
        int c = Integer.parseInt(nums[2]);
        
        if( (a < b) && (b < c) ) {
        	System.out.println("Yes");
        } else {
        	System.out.println("No");
        }
	}
} Main
/* package whatever; // don't place package name! */

import java.util.*;
import java.lang.*;
import java.io.*;

/* Name of the class has to be "Main" only if the class is public. */
public class Main
//class Ideone
{
	public static void main (String[] args) throws java.lang.Exception
	{
		// your code goes here
        BufferedReader stdReader =
            new BufferedReader(new InputStreamReader(System.in));
        String[] nums = stdReader.readLine().split(" ");
         
        int a = Integer.parseInt(nums[0]);
        int b = Integer.parseInt(nums[1]);
        int c = Integer.parseInt(nums[2]);
        
        if( (a < b) && (b < c) ) {
        	System.out.println("Yes");
        } else {
        	System.out.println("No");
        }
	}
}