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

	public static void main(String[] args)throws IOException {
		// TODO ?????????????????????????????????????????????
		BufferedReader br =new BufferedReader(new InputStreamReader(System.in));
		int a ,b,c;
		String str = br.readLine();
		String strARY[] = str.split(" ");
		a= Integer.parseInt(strARY[0]);
		b = Integer.parseInt(strARY[1]);
		c = Integer.parseInt(strARY[2]);
		
		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 public class Main {

	public static void main(String[] args)throws IOException {
		// TODO ?????????????????????????????????????????????
		BufferedReader br =new BufferedReader(new InputStreamReader(System.in));
		int a ,b,c;
		String str = br.readLine();
		String strARY[] = str.split(" ");
		a= Integer.parseInt(strARY[0]);
		b = Integer.parseInt(strARY[1]);
		c = Integer.parseInt(strARY[2]);
		
		if(a < b && b < c){
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	}

} Main public static void main(String[] args)throws IOException {
		// TODO ?????????????????????????????????????????????
		BufferedReader br =new BufferedReader(new InputStreamReader(System.in));
		int a ,b,c;
		String str = br.readLine();
		String strARY[] = str.split(" ");
		a= Integer.parseInt(strARY[0]);
		b = Integer.parseInt(strARY[1]);
		c = Integer.parseInt(strARY[2]);
		
		if(a < b && b < c){
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	} main {
		// TODO ?????????????????????????????????????????????
		BufferedReader br =new BufferedReader(new InputStreamReader(System.in));
		int a ,b,c;
		String str = br.readLine();
		String strARY[] = str.split(" ");
		a= Integer.parseInt(strARY[0]);
		b = Integer.parseInt(strARY[1]);
		c = Integer.parseInt(strARY[2]);
		
		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)) int a a b b c; c String str = br.readLine(); str br.readLine() br.readLine br String strARY[] = str.split(" "); strARY str.split(" ") str.split str " " a= Integer.parseInt(strARY[0]) a Integer.parseInt(strARY[0]) Integer.parseInt Integer strARY[0] strARY 0 b = Integer.parseInt(strARY[1]) b Integer.parseInt(strARY[1]) Integer.parseInt Integer strARY[1] strARY 1 c = Integer.parseInt(strARY[2]) c Integer.parseInt(strARY[2]) Integer.parseInt Integer strARY[2] strARY 2 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 {
		// TODO ?????????????????????????????????????????????
		BufferedReader br =new BufferedReader(new InputStreamReader(System.in));
		int a ,b,c;
		String str = br.readLine();
		String strARY[] = str.split(" ");
		a= Integer.parseInt(strARY[0]);
		b = Integer.parseInt(strARY[1]);
		c = Integer.parseInt(strARY[2]);
		
		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 {
		// TODO ?????????????????????????????????????????????
		BufferedReader br =new BufferedReader(new InputStreamReader(System.in));
		int a ,b,c;
		String str = br.readLine();
		String strARY[] = str.split(" ");
		a= Integer.parseInt(strARY[0]);
		b = Integer.parseInt(strARY[1]);
		c = Integer.parseInt(strARY[2]);
		
		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;
public class Main {

	public static void main(String[] args)throws IOException {
		// TODO ?????????????????????????????????????????????
		BufferedReader br =new BufferedReader(new InputStreamReader(System.in));
		int a ,b,c;
		String str = br.readLine();
		String strARY[] = str.split(" ");
		a= Integer.parseInt(strARY[0]);
		b = Integer.parseInt(strARY[1]);
		c = Integer.parseInt(strARY[2]);
		
		if(a < b && b < c){
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
	}

}