import java.util.Scanner;

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

		String a_str = scanner.next();
		String b_str = scanner.next();
		String c_str = scanner.next();

		int a = Integer.parseInt(a_str);
		int b = Integer.parseInt(b_str);
		int c = Integer.parseInt(c_str);

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

    	scanner.close();
    }
}
 import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args){
		Scanner scanner = new Scanner(System.in);

		String a_str = scanner.next();
		String b_str = scanner.next();
		String c_str = scanner.next();

		int a = Integer.parseInt(a_str);
		int b = Integer.parseInt(b_str);
		int c = Integer.parseInt(c_str);

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

    	scanner.close();
    }
} Main public static void main(String[] args){
		Scanner scanner = new Scanner(System.in);

		String a_str = scanner.next();
		String b_str = scanner.next();
		String c_str = scanner.next();

		int a = Integer.parseInt(a_str);
		int b = Integer.parseInt(b_str);
		int c = Integer.parseInt(c_str);

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

    	scanner.close();
    } main {
		Scanner scanner = new Scanner(System.in);

		String a_str = scanner.next();
		String b_str = scanner.next();
		String c_str = scanner.next();

		int a = Integer.parseInt(a_str);
		int b = Integer.parseInt(b_str);
		int c = Integer.parseInt(c_str);

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

    	scanner.close();
    } Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) String a_str = scanner.next(); a_str scanner.next() scanner.next scanner String b_str = scanner.next(); b_str scanner.next() scanner.next scanner String c_str = scanner.next(); c_str scanner.next() scanner.next scanner int a = Integer.parseInt(a_str); a Integer.parseInt(a_str) Integer.parseInt Integer a_str int b = Integer.parseInt(b_str); b Integer.parseInt(b_str) Integer.parseInt Integer b_str int c = Integer.parseInt(c_str); c Integer.parseInt(c_str) Integer.parseInt Integer c_str 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" scanner.close() scanner.close scanner String[] args args public class Main {
    public static void main(String[] args){
		Scanner scanner = new Scanner(System.in);

		String a_str = scanner.next();
		String b_str = scanner.next();
		String c_str = scanner.next();

		int a = Integer.parseInt(a_str);
		int b = Integer.parseInt(b_str);
		int c = Integer.parseInt(c_str);

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

    	scanner.close();
    }
} public class Main {
    public static void main(String[] args){
		Scanner scanner = new Scanner(System.in);

		String a_str = scanner.next();
		String b_str = scanner.next();
		String c_str = scanner.next();

		int a = Integer.parseInt(a_str);
		int b = Integer.parseInt(b_str);
		int c = Integer.parseInt(c_str);

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

    	scanner.close();
    }
} Main
import java.util.Scanner;

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

		String a_str = scanner.next();
		String b_str = scanner.next();
		String c_str = scanner.next();

		int a = Integer.parseInt(a_str);
		int b = Integer.parseInt(b_str);
		int c = Integer.parseInt(c_str);

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

    	scanner.close();
    }
}

