import java.util.Scanner;
public class Main{
    public static void main(String[] args){

	Scanner sc=new Scanner(System.in);
	int a=sc.nextInt();
	int b=sc.nextInt();
	int c=sc.nextInt();
	int d=c-b;
	int e=b-a;

	if(d>0 && e>0){
	    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 sc=new Scanner(System.in);
	int a=sc.nextInt();
	int b=sc.nextInt();
	int c=sc.nextInt();
	int d=c-b;
	int e=b-a;

	if(d>0 && e>0){
	    System.out.println( "Yes" );
	}else{
	    System.out.println("No");
	}
		
    }

} Main public static void main(String[] args){

	Scanner sc=new Scanner(System.in);
	int a=sc.nextInt();
	int b=sc.nextInt();
	int c=sc.nextInt();
	int d=c-b;
	int e=b-a;

	if(d>0 && e>0){
	    System.out.println( "Yes" );
	}else{
	    System.out.println("No");
	}
		
    } main {

	Scanner sc=new Scanner(System.in);
	int a=sc.nextInt();
	int b=sc.nextInt();
	int c=sc.nextInt();
	int d=c-b;
	int e=b-a;

	if(d>0 && e>0){
	    System.out.println( "Yes" );
	}else{
	    System.out.println("No");
	}
		
    } Scanner sc=new Scanner(System.in); sc new Scanner(System.in) int a=sc.nextInt(); a sc.nextInt() sc.nextInt sc int b=sc.nextInt(); b sc.nextInt() sc.nextInt sc int c=sc.nextInt(); c sc.nextInt() sc.nextInt sc int d=c-b; d c-b c b int e=b-a; e b-a b a if(d>0 && e>0){
	    System.out.println( "Yes" );
	}else{
	    System.out.println("No");
	} d>0 && e>0 d>0 d 0 e>0 e 0 {
	    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{
    public static void main(String[] args){

	Scanner sc=new Scanner(System.in);
	int a=sc.nextInt();
	int b=sc.nextInt();
	int c=sc.nextInt();
	int d=c-b;
	int e=b-a;

	if(d>0 && e>0){
	    System.out.println( "Yes" );
	}else{
	    System.out.println("No");
	}
		
    }

} public class Main{
    public static void main(String[] args){

	Scanner sc=new Scanner(System.in);
	int a=sc.nextInt();
	int b=sc.nextInt();
	int c=sc.nextInt();
	int d=c-b;
	int e=b-a;

	if(d>0 && e>0){
	    System.out.println( "Yes" );
	}else{
	    System.out.println("No");
	}
		
    }

} Main
import java.util.Scanner;
public class Main{
    public static void main(String[] args){

	Scanner sc=new Scanner(System.in);
	int a=sc.nextInt();
	int b=sc.nextInt();
	int c=sc.nextInt();
	int d=c-b;
	int e=b-a;

	if(d>0 && e>0){
	    System.out.println( "Yes" );
	}else{
	    System.out.println("No");
	}
		
    }

}