
import java.util.Scanner;

public class Main
{
    public static void main(String[] args)
    {
        Scanner scan = new Scanner(System.in);
        
        int a = scan.nextInt();
        int b = scan.nextInt();
        int c = scan.nextInt();
        
        if(a < b && b < c){
            System.out.println("Yes");
        }
        if(!(a < b && b < c)){
            System.out.println("No");
        }
    
         
    }
}
 import java.util.Scanner; Scanner java.util public class Main
{
    public static void main(String[] args)
    {
        Scanner scan = new Scanner(System.in);
        
        int a = scan.nextInt();
        int b = scan.nextInt();
        int c = scan.nextInt();
        
        if(a < b && b < c){
            System.out.println("Yes");
        }
        if(!(a < b && b < c)){
            System.out.println("No");
        }
    
         
    }
} Main public static void main(String[] args)
    {
        Scanner scan = new Scanner(System.in);
        
        int a = scan.nextInt();
        int b = scan.nextInt();
        int c = scan.nextInt();
        
        if(a < b && b < c){
            System.out.println("Yes");
        }
        if(!(a < b && b < c)){
            System.out.println("No");
        }
    
         
    } main {
        Scanner scan = new Scanner(System.in);
        
        int a = scan.nextInt();
        int b = scan.nextInt();
        int c = scan.nextInt();
        
        if(a < b && b < c){
            System.out.println("Yes");
        }
        if(!(a < b && b < c)){
            System.out.println("No");
        }
    
         
    } Scanner scan = new Scanner(System.in); scan new Scanner(System.in) int a = scan.nextInt(); a scan.nextInt() scan.nextInt scan int b = scan.nextInt(); b scan.nextInt() scan.nextInt scan int c = scan.nextInt(); c scan.nextInt() scan.nextInt scan if(a < b && b < c){
            System.out.println("Yes");
        } 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" if(!(a < b && b < c)){
            System.out.println("No");
        } !(a < b && b < c) (a < b && b < c) a < b a b b < c b c {
            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 scan = new Scanner(System.in);
        
        int a = scan.nextInt();
        int b = scan.nextInt();
        int c = scan.nextInt();
        
        if(a < b && b < c){
            System.out.println("Yes");
        }
        if(!(a < b && b < c)){
            System.out.println("No");
        }
    
         
    }
} public class Main
{
    public static void main(String[] args)
    {
        Scanner scan = new Scanner(System.in);
        
        int a = scan.nextInt();
        int b = scan.nextInt();
        int c = scan.nextInt();
        
        if(a < b && b < c){
            System.out.println("Yes");
        }
        if(!(a < b && b < c)){
            System.out.println("No");
        }
    
         
    }
} Main

import java.util.Scanner;

public class Main
{
    public static void main(String[] args)
    {
        Scanner scan = new Scanner(System.in);
        
        int a = scan.nextInt();
        int b = scan.nextInt();
        int c = scan.nextInt();
        
        if(a < b && b < c){
            System.out.println("Yes");
        }
        if(!(a < b && b < c)){
            System.out.println("No");
        }
    
         
    }
}

