import java.util.*;

public class Main{
  public static void main(String args[]){
    Scanner scanner = new Scanner(System.in);
    int in1 = scanner.nextInt();
    int in2 = scanner.nextInt();
    int in3 = scanner.nextInt();

    if(in1<in2){
      if(in2<in3){
        System.out.println("Yes");
      }else{System.out.println("No");}
    }else{System.out.println("No");}
  }
} import java.util.*; util.* java public class Main{
  public static void main(String args[]){
    Scanner scanner = new Scanner(System.in);
    int in1 = scanner.nextInt();
    int in2 = scanner.nextInt();
    int in3 = scanner.nextInt();

    if(in1<in2){
      if(in2<in3){
        System.out.println("Yes");
      }else{System.out.println("No");}
    }else{System.out.println("No");}
  }
} Main public static void main(String args[]){
    Scanner scanner = new Scanner(System.in);
    int in1 = scanner.nextInt();
    int in2 = scanner.nextInt();
    int in3 = scanner.nextInt();

    if(in1<in2){
      if(in2<in3){
        System.out.println("Yes");
      }else{System.out.println("No");}
    }else{System.out.println("No");}
  } main {
    Scanner scanner = new Scanner(System.in);
    int in1 = scanner.nextInt();
    int in2 = scanner.nextInt();
    int in3 = scanner.nextInt();

    if(in1<in2){
      if(in2<in3){
        System.out.println("Yes");
      }else{System.out.println("No");}
    }else{System.out.println("No");}
  } Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) int in1 = scanner.nextInt(); in1 scanner.nextInt() scanner.nextInt scanner int in2 = scanner.nextInt(); in2 scanner.nextInt() scanner.nextInt scanner int in3 = scanner.nextInt(); in3 scanner.nextInt() scanner.nextInt scanner if(in1<in2){
      if(in2<in3){
        System.out.println("Yes");
      }else{System.out.println("No");}
    }else{System.out.println("No");} in1<in2 in1 in2 {
      if(in2<in3){
        System.out.println("Yes");
      }else{System.out.println("No");}
    } if(in2<in3){
        System.out.println("Yes");
      }else{System.out.println("No");} in2<in3 in2 in3 {
        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" {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 scanner = new Scanner(System.in);
    int in1 = scanner.nextInt();
    int in2 = scanner.nextInt();
    int in3 = scanner.nextInt();

    if(in1<in2){
      if(in2<in3){
        System.out.println("Yes");
      }else{System.out.println("No");}
    }else{System.out.println("No");}
  }
} public class Main{
  public static void main(String args[]){
    Scanner scanner = new Scanner(System.in);
    int in1 = scanner.nextInt();
    int in2 = scanner.nextInt();
    int in3 = scanner.nextInt();

    if(in1<in2){
      if(in2<in3){
        System.out.println("Yes");
      }else{System.out.println("No");}
    }else{System.out.println("No");}
  }
} Main
import java.util.*;

public class Main{
  public static void main(String args[]){
    Scanner scanner = new Scanner(System.in);
    int in1 = scanner.nextInt();
    int in2 = scanner.nextInt();
    int in3 = scanner.nextInt();

    if(in1<in2){
      if(in2<in3){
        System.out.println("Yes");
      }else{System.out.println("No");}
    }else{System.out.println("No");}
  }
}