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

public class Main {

	public static void main(String[] args) throws IOException{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String[] inputNum = br.readLine().split(" ");

		if(toInt(inputNum[0]) <  toInt(inputNum[1])  && toInt(inputNum[1]) < toInt(inputNum[2])){
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	}

	public static int toInt(String stringNum){
		return Integer.parseInt(stringNum);
	}

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

	public static void main(String[] args) throws IOException{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String[] inputNum = br.readLine().split(" ");

		if(toInt(inputNum[0]) <  toInt(inputNum[1])  && toInt(inputNum[1]) < toInt(inputNum[2])){
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	}

	public static int toInt(String stringNum){
		return Integer.parseInt(stringNum);
	}

} Main public static void main(String[] args) throws IOException{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String[] inputNum = br.readLine().split(" ");

		if(toInt(inputNum[0]) <  toInt(inputNum[1])  && toInt(inputNum[1]) < toInt(inputNum[2])){
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	} main {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String[] inputNum = br.readLine().split(" ");

		if(toInt(inputNum[0]) <  toInt(inputNum[1])  && toInt(inputNum[1]) < toInt(inputNum[2])){
			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[] inputNum = br.readLine().split(" "); inputNum br.readLine().split(" ") br.readLine().split br.readLine() br.readLine br " " if(toInt(inputNum[0]) <  toInt(inputNum[1])  && toInt(inputNum[1]) < toInt(inputNum[2])){
			System.out.println("Yes");
		}else {
			System.out.println("No");
		} toInt(inputNum[0]) <  toInt(inputNum[1])  && toInt(inputNum[1]) < toInt(inputNum[2]) toInt(inputNum[0]) <  toInt(inputNum[1]) toInt(inputNum[0]) toInt inputNum[0] inputNum 0 toInt(inputNum[1]) toInt inputNum[1] inputNum 1 toInt(inputNum[1]) < toInt(inputNum[2]) toInt(inputNum[1]) toInt inputNum[1] inputNum 1 toInt(inputNum[2]) toInt inputNum[2] inputNum 2 {
			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 static int toInt(String stringNum){
		return Integer.parseInt(stringNum);
	} toInt {
		return Integer.parseInt(stringNum);
	} return Integer.parseInt(stringNum); Integer.parseInt(stringNum) Integer.parseInt Integer stringNum String stringNum stringNum public class Main {

	public static void main(String[] args) throws IOException{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String[] inputNum = br.readLine().split(" ");

		if(toInt(inputNum[0]) <  toInt(inputNum[1])  && toInt(inputNum[1]) < toInt(inputNum[2])){
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	}

	public static int toInt(String stringNum){
		return Integer.parseInt(stringNum);
	}

} public class Main {

	public static void main(String[] args) throws IOException{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String[] inputNum = br.readLine().split(" ");

		if(toInt(inputNum[0]) <  toInt(inputNum[1])  && toInt(inputNum[1]) < toInt(inputNum[2])){
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	}

	public static int toInt(String stringNum){
		return Integer.parseInt(stringNum);
	}

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

public class Main {

	public static void main(String[] args) throws IOException{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String[] inputNum = br.readLine().split(" ");

		if(toInt(inputNum[0]) <  toInt(inputNum[1])  && toInt(inputNum[1]) < toInt(inputNum[2])){
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	}

	public static int toInt(String stringNum){
		return Integer.parseInt(stringNum);
	}

}