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 test = br.readLine();
		
		String[] res1 = test.split(" ");
		int[] x1 = new int [res1.length];
		
		for(int i = 0; i < res1.length; i++){
			x1[i] = Integer.parseInt(res1[i]);
		}
		
		if(x1[0] < x1[1] && x1[1] < x1[2]){
			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 public class Main {

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

		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));		
		String test = br.readLine();
		
		String[] res1 = test.split(" ");
		int[] x1 = new int [res1.length];
		
		for(int i = 0; i < res1.length; i++){
			x1[i] = Integer.parseInt(res1[i]);
		}
		
		if(x1[0] < x1[1] && x1[1] < x1[2]){
			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 test = br.readLine();
		
		String[] res1 = test.split(" ");
		int[] x1 = new int [res1.length];
		
		for(int i = 0; i < res1.length; i++){
			x1[i] = Integer.parseInt(res1[i]);
		}
		
		if(x1[0] < x1[1] && x1[1] < x1[2]){
			System.out.println("Yes");
		}else{
			System.out.println("No");
		}
		
	} main {

		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));		
		String test = br.readLine();
		
		String[] res1 = test.split(" ");
		int[] x1 = new int [res1.length];
		
		for(int i = 0; i < res1.length; i++){
			x1[i] = Integer.parseInt(res1[i]);
		}
		
		if(x1[0] < x1[1] && x1[1] < x1[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 test = br.readLine(); test br.readLine() br.readLine br String[] res1 = test.split(" "); res1 test.split(" ") test.split test " " int[] x1 = new int [res1.length]; x1 new int [res1.length] res1.length res1 res1.length for(int i = 0; i < res1.length; i++){
			x1[i] = Integer.parseInt(res1[i]);
		} int i = 0; int i = 0; i 0 i < res1.length i res1.length res1 res1.length i++ i++ i {
			x1[i] = Integer.parseInt(res1[i]);
		} {
			x1[i] = Integer.parseInt(res1[i]);
		} x1[i] = Integer.parseInt(res1[i]) x1[i] x1 i Integer.parseInt(res1[i]) Integer.parseInt Integer res1[i] res1 i if(x1[0] < x1[1] && x1[1] < x1[2]){
			System.out.println("Yes");
		}else{
			System.out.println("No");
		} x1[0] < x1[1] && x1[1] < x1[2] x1[0] < x1[1] x1[0] x1 0 x1[1] x1 1 x1[1] < x1[2] x1[1] x1 1 x1[2] x1 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 class Main {

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

		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));		
		String test = br.readLine();
		
		String[] res1 = test.split(" ");
		int[] x1 = new int [res1.length];
		
		for(int i = 0; i < res1.length; i++){
			x1[i] = Integer.parseInt(res1[i]);
		}
		
		if(x1[0] < x1[1] && x1[1] < x1[2]){
			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 test = br.readLine();
		
		String[] res1 = test.split(" ");
		int[] x1 = new int [res1.length];
		
		for(int i = 0; i < res1.length; i++){
			x1[i] = Integer.parseInt(res1[i]);
		}
		
		if(x1[0] < x1[1] && x1[1] < x1[2]){
			System.out.println("Yes");
		}else{
			System.out.println("No");
		}
		
	}
} 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 test = br.readLine();
		
		String[] res1 = test.split(" ");
		int[] x1 = new int [res1.length];
		
		for(int i = 0; i < res1.length; i++){
			x1[i] = Integer.parseInt(res1[i]);
		}
		
		if(x1[0] < x1[1] && x1[1] < x1[2]){
			System.out.println("Yes");
		}else{
			System.out.println("No");
		}
		
	}
}