import java.util.Scanner;

public class Main{
   public static void main(String[] a){
      Scanner scn = new Scanner(System.in);
      int d = scn.nextInt();
      int b = scn.nextInt();
      int c = scn.nextInt();
      if(c>b&&b>d){
         System.out.println("Yes");
      }else{
         System.out.println("No");
      }
   }
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz