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");
	}
		
    }

}
/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