import java.io.BufferedReader;
import java.io.InputStreamReader;

public class Main{
  public static void main(String[] args) {
    try {
      BufferedReader stdReader =
        new BufferedReader(new InputStreamReader(System.in));
      String line0;
      line0 = stdReader.readLine();

      String Array[]=line0.split(" ");
      int a =Integer.parseInt(Array[0]);
      int b =Integer.parseInt(Array[1]);
      int c =Integer.parseInt(Array[2]);
      if(a<b&&b<c){
          System.out.println("Yes");
	  }else{
          System.out.println("No");
	  }
	  
	  
      stdReader.close();
    } catch (Exception e) {
      e.getStackTrace();
      /*?????´??????0??????*/
      System.exit(0); 
    }
  }
} import java.io.BufferedReader; BufferedReader java.io import java.io.InputStreamReader; InputStreamReader java.io public class Main{
  public static void main(String[] args) {
    try {
      BufferedReader stdReader =
        new BufferedReader(new InputStreamReader(System.in));
      String line0;
      line0 = stdReader.readLine();

      String Array[]=line0.split(" ");
      int a =Integer.parseInt(Array[0]);
      int b =Integer.parseInt(Array[1]);
      int c =Integer.parseInt(Array[2]);
      if(a<b&&b<c){
          System.out.println("Yes");
	  }else{
          System.out.println("No");
	  }
	  
	  
      stdReader.close();
    } catch (Exception e) {
      e.getStackTrace();
      /*?????´??????0??????*/
      System.exit(0); 
    }
  }
} Main public static void main(String[] args) {
    try {
      BufferedReader stdReader =
        new BufferedReader(new InputStreamReader(System.in));
      String line0;
      line0 = stdReader.readLine();

      String Array[]=line0.split(" ");
      int a =Integer.parseInt(Array[0]);
      int b =Integer.parseInt(Array[1]);
      int c =Integer.parseInt(Array[2]);
      if(a<b&&b<c){
          System.out.println("Yes");
	  }else{
          System.out.println("No");
	  }
	  
	  
      stdReader.close();
    } catch (Exception e) {
      e.getStackTrace();
      /*?????´??????0??????*/
      System.exit(0); 
    }
  } main {
    try {
      BufferedReader stdReader =
        new BufferedReader(new InputStreamReader(System.in));
      String line0;
      line0 = stdReader.readLine();

      String Array[]=line0.split(" ");
      int a =Integer.parseInt(Array[0]);
      int b =Integer.parseInt(Array[1]);
      int c =Integer.parseInt(Array[2]);
      if(a<b&&b<c){
          System.out.println("Yes");
	  }else{
          System.out.println("No");
	  }
	  
	  
      stdReader.close();
    } catch (Exception e) {
      e.getStackTrace();
      /*?????´??????0??????*/
      System.exit(0); 
    }
  } try {
      BufferedReader stdReader =
        new BufferedReader(new InputStreamReader(System.in));
      String line0;
      line0 = stdReader.readLine();

      String Array[]=line0.split(" ");
      int a =Integer.parseInt(Array[0]);
      int b =Integer.parseInt(Array[1]);
      int c =Integer.parseInt(Array[2]);
      if(a<b&&b<c){
          System.out.println("Yes");
	  }else{
          System.out.println("No");
	  }
	  
	  
      stdReader.close();
    } catch (Exception e) {
      e.getStackTrace();
      /*?????´??????0??????*/
      System.exit(0); 
    } catch (Exception e) {
      e.getStackTrace();
      /*?????´??????0??????*/
      System.exit(0); 
    } Exception e {
      e.getStackTrace();
      /*?????´??????0??????*/
      System.exit(0); 
    } e.getStackTrace() e.getStackTrace e System.exit(0) System.exit System 0 {
      BufferedReader stdReader =
        new BufferedReader(new InputStreamReader(System.in));
      String line0;
      line0 = stdReader.readLine();

      String Array[]=line0.split(" ");
      int a =Integer.parseInt(Array[0]);
      int b =Integer.parseInt(Array[1]);
      int c =Integer.parseInt(Array[2]);
      if(a<b&&b<c){
          System.out.println("Yes");
	  }else{
          System.out.println("No");
	  }
	  
	  
      stdReader.close();
    } BufferedReader stdReader =
        new BufferedReader(new InputStreamReader(System.in)); stdReader new BufferedReader(new InputStreamReader(System.in)) String line0; line0 line0 = stdReader.readLine() line0 stdReader.readLine() stdReader.readLine stdReader String Array[]=line0.split(" "); Array line0.split(" ") line0.split line0 " " int a =Integer.parseInt(Array[0]); a Integer.parseInt(Array[0]) Integer.parseInt Integer Array[0] Array 0 int b =Integer.parseInt(Array[1]); b Integer.parseInt(Array[1]) Integer.parseInt Integer Array[1] Array 1 int c =Integer.parseInt(Array[2]); c Integer.parseInt(Array[2]) Integer.parseInt Integer Array[2] Array 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" stdReader.close() stdReader.close stdReader String[] args args public class Main{
  public static void main(String[] args) {
    try {
      BufferedReader stdReader =
        new BufferedReader(new InputStreamReader(System.in));
      String line0;
      line0 = stdReader.readLine();

      String Array[]=line0.split(" ");
      int a =Integer.parseInt(Array[0]);
      int b =Integer.parseInt(Array[1]);
      int c =Integer.parseInt(Array[2]);
      if(a<b&&b<c){
          System.out.println("Yes");
	  }else{
          System.out.println("No");
	  }
	  
	  
      stdReader.close();
    } catch (Exception e) {
      e.getStackTrace();
      /*?????´??????0??????*/
      System.exit(0); 
    }
  }
} public class Main{
  public static void main(String[] args) {
    try {
      BufferedReader stdReader =
        new BufferedReader(new InputStreamReader(System.in));
      String line0;
      line0 = stdReader.readLine();

      String Array[]=line0.split(" ");
      int a =Integer.parseInt(Array[0]);
      int b =Integer.parseInt(Array[1]);
      int c =Integer.parseInt(Array[2]);
      if(a<b&&b<c){
          System.out.println("Yes");
	  }else{
          System.out.println("No");
	  }
	  
	  
      stdReader.close();
    } catch (Exception e) {
      e.getStackTrace();
      /*?????´??????0??????*/
      System.exit(0); 
    }
  }
} Main
import java.io.BufferedReader;
import java.io.InputStreamReader;

public class Main{
  public static void main(String[] args) {
    try {
      BufferedReader stdReader =
        new BufferedReader(new InputStreamReader(System.in));
      String line0;
      line0 = stdReader.readLine();

      String Array[]=line0.split(" ");
      int a =Integer.parseInt(Array[0]);
      int b =Integer.parseInt(Array[1]);
      int c =Integer.parseInt(Array[2]);
      if(a<b&&b<c){
          System.out.println("Yes");
	  }else{
          System.out.println("No");
	  }
	  
	  
      stdReader.close();
    } catch (Exception e) {
      e.getStackTrace();
      /*?????´??????0??????*/
      System.exit(0); 
    }
  }
}