import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class Main {

	public static void main(String[] args) throws IOException {

		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	    String str = br.readLine();
	    StringTokenizer st = new StringTokenizer(str, " ");

		int a  = Integer.parseInt(st.nextToken());
		int b  = Integer.parseInt(st.nextToken());
		int c  = Integer.parseInt(st.nextToken());

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

	}

} import java.io.BufferedReader; BufferedReader java.io import java.io.IOException; IOException java.io import java.io.InputStreamReader; InputStreamReader java.io import java.util.StringTokenizer; StringTokenizer java.util public class Main {

	public static void main(String[] args) throws IOException {

		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	    String str = br.readLine();
	    StringTokenizer st = new StringTokenizer(str, " ");

		int a  = Integer.parseInt(st.nextToken());
		int b  = Integer.parseInt(st.nextToken());
		int c  = Integer.parseInt(st.nextToken());

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

	}

} Main public static void main(String[] args) throws IOException {

		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	    String str = br.readLine();
	    StringTokenizer st = new StringTokenizer(str, " ");

		int a  = Integer.parseInt(st.nextToken());
		int b  = Integer.parseInt(st.nextToken());
		int c  = Integer.parseInt(st.nextToken());

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

	} main {

		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	    String str = br.readLine();
	    StringTokenizer st = new StringTokenizer(str, " ");

		int a  = Integer.parseInt(st.nextToken());
		int b  = Integer.parseInt(st.nextToken());
		int c  = Integer.parseInt(st.nextToken());

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

	} BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); br new BufferedReader(new InputStreamReader(System.in)) String str = br.readLine(); str br.readLine() br.readLine br StringTokenizer st = new StringTokenizer(str, " "); st new StringTokenizer(str, " ") int a  = Integer.parseInt(st.nextToken()); a Integer.parseInt(st.nextToken()) Integer.parseInt Integer st.nextToken() st.nextToken st int b  = Integer.parseInt(st.nextToken()); b Integer.parseInt(st.nextToken()) Integer.parseInt Integer st.nextToken() st.nextToken st int c  = Integer.parseInt(st.nextToken()); c Integer.parseInt(st.nextToken()) Integer.parseInt Integer st.nextToken() st.nextToken st 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" String[] args args public class Main {

	public static void main(String[] args) throws IOException {

		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	    String str = br.readLine();
	    StringTokenizer st = new StringTokenizer(str, " ");

		int a  = Integer.parseInt(st.nextToken());
		int b  = Integer.parseInt(st.nextToken());
		int c  = Integer.parseInt(st.nextToken());

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

	}

} public class Main {

	public static void main(String[] args) throws IOException {

		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	    String str = br.readLine();
	    StringTokenizer st = new StringTokenizer(str, " ");

		int a  = Integer.parseInt(st.nextToken());
		int b  = Integer.parseInt(st.nextToken());
		int c  = Integer.parseInt(st.nextToken());

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

	}

} Main
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStreamReader;
import java.util.StringTokenizer;

public class Main {

	public static void main(String[] args) throws IOException {

		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
	    String str = br.readLine();
	    StringTokenizer st = new StringTokenizer(str, " ");

		int a  = Integer.parseInt(st.nextToken());
		int b  = Integer.parseInt(st.nextToken());
		int c  = Integer.parseInt(st.nextToken());

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

	}

}