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

public class Main {

	public static void main(String[] args) {
		
		String CMD = null ;
		BufferedReader BR = null;
		BR = new BufferedReader(new InputStreamReader(System.in));
		try {CMD = BR.readLine();
		} 
		catch (IOException e) {e.printStackTrace();
		}
		String[] str = CMD.split(" "); 
		
		int a = Integer.parseInt(str[0]);
		int b = Integer.parseInt(str[1]);
		int c = Integer.parseInt(str[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) {
		
		String CMD = null ;
		BufferedReader BR = null;
		BR = new BufferedReader(new InputStreamReader(System.in));
		try {CMD = BR.readLine();
		} 
		catch (IOException e) {e.printStackTrace();
		}
		String[] str = CMD.split(" "); 
		
		int a = Integer.parseInt(str[0]);
		int b = Integer.parseInt(str[1]);
		int c = Integer.parseInt(str[2]);
		
		if(a<b && b<c){
			System.out.println("Yes");
		}else{
			System.out.println("No");			
		}

	}

} Main public static void main(String[] args) {
		
		String CMD = null ;
		BufferedReader BR = null;
		BR = new BufferedReader(new InputStreamReader(System.in));
		try {CMD = BR.readLine();
		} 
		catch (IOException e) {e.printStackTrace();
		}
		String[] str = CMD.split(" "); 
		
		int a = Integer.parseInt(str[0]);
		int b = Integer.parseInt(str[1]);
		int c = Integer.parseInt(str[2]);
		
		if(a<b && b<c){
			System.out.println("Yes");
		}else{
			System.out.println("No");			
		}

	} main {
		
		String CMD = null ;
		BufferedReader BR = null;
		BR = new BufferedReader(new InputStreamReader(System.in));
		try {CMD = BR.readLine();
		} 
		catch (IOException e) {e.printStackTrace();
		}
		String[] str = CMD.split(" "); 
		
		int a = Integer.parseInt(str[0]);
		int b = Integer.parseInt(str[1]);
		int c = Integer.parseInt(str[2]);
		
		if(a<b && b<c){
			System.out.println("Yes");
		}else{
			System.out.println("No");			
		}

	} String CMD = null ; CMD null BufferedReader BR = null; BR null BR = new BufferedReader(new InputStreamReader(System.in)) BR new BufferedReader(new InputStreamReader(System.in)) try {CMD = BR.readLine();
		} 
		catch (IOException e) {e.printStackTrace();
		} catch (IOException e) {e.printStackTrace();
		} IOException e {e.printStackTrace();
		} e.printStackTrace() e.printStackTrace e {CMD = BR.readLine();
		} CMD = BR.readLine() CMD BR.readLine() BR.readLine BR String[] str = CMD.split(" "); str CMD.split(" ") CMD.split CMD " " int a = Integer.parseInt(str[0]); a Integer.parseInt(str[0]) Integer.parseInt Integer str[0] str 0 int b = Integer.parseInt(str[1]); b Integer.parseInt(str[1]) Integer.parseInt Integer str[1] str 1 int c = Integer.parseInt(str[2]); c Integer.parseInt(str[2]) Integer.parseInt Integer str[2] str 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) {
		
		String CMD = null ;
		BufferedReader BR = null;
		BR = new BufferedReader(new InputStreamReader(System.in));
		try {CMD = BR.readLine();
		} 
		catch (IOException e) {e.printStackTrace();
		}
		String[] str = CMD.split(" "); 
		
		int a = Integer.parseInt(str[0]);
		int b = Integer.parseInt(str[1]);
		int c = Integer.parseInt(str[2]);
		
		if(a<b && b<c){
			System.out.println("Yes");
		}else{
			System.out.println("No");			
		}

	}

} public class Main {

	public static void main(String[] args) {
		
		String CMD = null ;
		BufferedReader BR = null;
		BR = new BufferedReader(new InputStreamReader(System.in));
		try {CMD = BR.readLine();
		} 
		catch (IOException e) {e.printStackTrace();
		}
		String[] str = CMD.split(" "); 
		
		int a = Integer.parseInt(str[0]);
		int b = Integer.parseInt(str[1]);
		int c = Integer.parseInt(str[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) {
		
		String CMD = null ;
		BufferedReader BR = null;
		BR = new BufferedReader(new InputStreamReader(System.in));
		try {CMD = BR.readLine();
		} 
		catch (IOException e) {e.printStackTrace();
		}
		String[] str = CMD.split(" "); 
		
		int a = Integer.parseInt(str[0]);
		int b = Integer.parseInt(str[1]);
		int c = Integer.parseInt(str[2]);
		
		if(a<b && b<c){
			System.out.println("Yes");
		}else{
			System.out.println("No");			
		}

	}

}