import java.util.Scanner;

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

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