import java.io.*;
import java.util.Scanner;

public class Main{
               public static void main(String args[]) throws IOException{
                     int a = 0;
                     int b = 0;
                     int c = 0;
                   
                     Scanner in = new Scanner(System.in);
                     
                     String buf1 = in.next();
                     String buf2 = in.next();
                     String buf3 = in.next();
                     
                     a = Integer.parseInt(buf1);
                     b = Integer.parseInt(buf2);
                     c = Integer.parseInt(buf3);

                        if(a < b && b < c){
                          System.out.println("Yes");
                       }else{
                          System.out.println("No");
                       }

              }
      } import java.io.*; io.* java import java.util.Scanner; Scanner java.util public class Main{
               public static void main(String args[]) throws IOException{
                     int a = 0;
                     int b = 0;
                     int c = 0;
                   
                     Scanner in = new Scanner(System.in);
                     
                     String buf1 = in.next();
                     String buf2 = in.next();
                     String buf3 = in.next();
                     
                     a = Integer.parseInt(buf1);
                     b = Integer.parseInt(buf2);
                     c = Integer.parseInt(buf3);

                        if(a < b && b < c){
                          System.out.println("Yes");
                       }else{
                          System.out.println("No");
                       }

              }
      } Main public static void main(String args[]) throws IOException{
                     int a = 0;
                     int b = 0;
                     int c = 0;
                   
                     Scanner in = new Scanner(System.in);
                     
                     String buf1 = in.next();
                     String buf2 = in.next();
                     String buf3 = in.next();
                     
                     a = Integer.parseInt(buf1);
                     b = Integer.parseInt(buf2);
                     c = Integer.parseInt(buf3);

                        if(a < b && b < c){
                          System.out.println("Yes");
                       }else{
                          System.out.println("No");
                       }

              } main {
                     int a = 0;
                     int b = 0;
                     int c = 0;
                   
                     Scanner in = new Scanner(System.in);
                     
                     String buf1 = in.next();
                     String buf2 = in.next();
                     String buf3 = in.next();
                     
                     a = Integer.parseInt(buf1);
                     b = Integer.parseInt(buf2);
                     c = Integer.parseInt(buf3);

                        if(a < b && b < c){
                          System.out.println("Yes");
                       }else{
                          System.out.println("No");
                       }

              } int a = 0; a 0 int b = 0; b 0 int c = 0; c 0 Scanner in = new Scanner(System.in); in new Scanner(System.in) String buf1 = in.next(); buf1 in.next() in.next in String buf2 = in.next(); buf2 in.next() in.next in String buf3 = in.next(); buf3 in.next() in.next in a = Integer.parseInt(buf1) a Integer.parseInt(buf1) Integer.parseInt Integer buf1 b = Integer.parseInt(buf2) b Integer.parseInt(buf2) Integer.parseInt Integer buf2 c = Integer.parseInt(buf3) c Integer.parseInt(buf3) Integer.parseInt Integer buf3 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{
               public static void main(String args[]) throws IOException{
                     int a = 0;
                     int b = 0;
                     int c = 0;
                   
                     Scanner in = new Scanner(System.in);
                     
                     String buf1 = in.next();
                     String buf2 = in.next();
                     String buf3 = in.next();
                     
                     a = Integer.parseInt(buf1);
                     b = Integer.parseInt(buf2);
                     c = Integer.parseInt(buf3);

                        if(a < b && b < c){
                          System.out.println("Yes");
                       }else{
                          System.out.println("No");
                       }

              }
      } public class Main{
               public static void main(String args[]) throws IOException{
                     int a = 0;
                     int b = 0;
                     int c = 0;
                   
                     Scanner in = new Scanner(System.in);
                     
                     String buf1 = in.next();
                     String buf2 = in.next();
                     String buf3 = in.next();
                     
                     a = Integer.parseInt(buf1);
                     b = Integer.parseInt(buf2);
                     c = Integer.parseInt(buf3);

                        if(a < b && b < c){
                          System.out.println("Yes");
                       }else{
                          System.out.println("No");
                       }

              }
      } Main
import java.io.*;
import java.util.Scanner;

public class Main{
               public static void main(String args[]) throws IOException{
                     int a = 0;
                     int b = 0;
                     int c = 0;
                   
                     Scanner in = new Scanner(System.in);
                     
                     String buf1 = in.next();
                     String buf2 = in.next();
                     String buf3 = in.next();
                     
                     a = Integer.parseInt(buf1);
                     b = Integer.parseInt(buf2);
                     c = Integer.parseInt(buf3);

                        if(a < b && b < c){
                          System.out.println("Yes");
                       }else{
                          System.out.println("No");
                       }

              }
      }