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

public class Main {
public static void main(String[] args) {
	try {
		BufferedReader buf = new BufferedReader(new InputStreamReader(System.in));
			String input;
			input = buf.readLine();
			
			String[] strAry = input.split(" ");
		       int x = Integer.parseInt(strAry[0]);
		       int y = Integer.parseInt(strAry[1]);
		       int z = Integer.parseInt(strAry[2]);
		       
		     if(x <  y && y  < z){
		    	 System.out.println("Yes");
		     }
		     else{
				System.out.println("No");
			}
	} catch (Exception e) {
		// TODO: handle exception
	}
}

} import java.io.BufferedReader; BufferedReader java.io import java.io.InputStreamReader; InputStreamReader java.io public class Main {
public static void main(String[] args) {
	try {
		BufferedReader buf = new BufferedReader(new InputStreamReader(System.in));
			String input;
			input = buf.readLine();
			
			String[] strAry = input.split(" ");
		       int x = Integer.parseInt(strAry[0]);
		       int y = Integer.parseInt(strAry[1]);
		       int z = Integer.parseInt(strAry[2]);
		       
		     if(x <  y && y  < z){
		    	 System.out.println("Yes");
		     }
		     else{
				System.out.println("No");
			}
	} catch (Exception e) {
		// TODO: handle exception
	}
}

} Main public static void main(String[] args) {
	try {
		BufferedReader buf = new BufferedReader(new InputStreamReader(System.in));
			String input;
			input = buf.readLine();
			
			String[] strAry = input.split(" ");
		       int x = Integer.parseInt(strAry[0]);
		       int y = Integer.parseInt(strAry[1]);
		       int z = Integer.parseInt(strAry[2]);
		       
		     if(x <  y && y  < z){
		    	 System.out.println("Yes");
		     }
		     else{
				System.out.println("No");
			}
	} catch (Exception e) {
		// TODO: handle exception
	}
} main {
	try {
		BufferedReader buf = new BufferedReader(new InputStreamReader(System.in));
			String input;
			input = buf.readLine();
			
			String[] strAry = input.split(" ");
		       int x = Integer.parseInt(strAry[0]);
		       int y = Integer.parseInt(strAry[1]);
		       int z = Integer.parseInt(strAry[2]);
		       
		     if(x <  y && y  < z){
		    	 System.out.println("Yes");
		     }
		     else{
				System.out.println("No");
			}
	} catch (Exception e) {
		// TODO: handle exception
	}
} try {
		BufferedReader buf = new BufferedReader(new InputStreamReader(System.in));
			String input;
			input = buf.readLine();
			
			String[] strAry = input.split(" ");
		       int x = Integer.parseInt(strAry[0]);
		       int y = Integer.parseInt(strAry[1]);
		       int z = Integer.parseInt(strAry[2]);
		       
		     if(x <  y && y  < z){
		    	 System.out.println("Yes");
		     }
		     else{
				System.out.println("No");
			}
	} catch (Exception e) {
		// TODO: handle exception
	} catch (Exception e) {
		// TODO: handle exception
	} Exception e {
		// TODO: handle exception
	} {
		BufferedReader buf = new BufferedReader(new InputStreamReader(System.in));
			String input;
			input = buf.readLine();
			
			String[] strAry = input.split(" ");
		       int x = Integer.parseInt(strAry[0]);
		       int y = Integer.parseInt(strAry[1]);
		       int z = Integer.parseInt(strAry[2]);
		       
		     if(x <  y && y  < z){
		    	 System.out.println("Yes");
		     }
		     else{
				System.out.println("No");
			}
	} BufferedReader buf = new BufferedReader(new InputStreamReader(System.in)); buf new BufferedReader(new InputStreamReader(System.in)) String input; input input = buf.readLine() input buf.readLine() buf.readLine buf String[] strAry = input.split(" "); strAry input.split(" ") input.split input " " int x = Integer.parseInt(strAry[0]); x Integer.parseInt(strAry[0]) Integer.parseInt Integer strAry[0] strAry 0 int y = Integer.parseInt(strAry[1]); y Integer.parseInt(strAry[1]) Integer.parseInt Integer strAry[1] strAry 1 int z = Integer.parseInt(strAry[2]); z Integer.parseInt(strAry[2]) Integer.parseInt Integer strAry[2] strAry 2 if(x <  y && y  < z){
		    	 System.out.println("Yes");
		     }
		     else{
				System.out.println("No");
			} x <  y && y  < z x <  y x y y  < z y z {
		    	 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) {
	try {
		BufferedReader buf = new BufferedReader(new InputStreamReader(System.in));
			String input;
			input = buf.readLine();
			
			String[] strAry = input.split(" ");
		       int x = Integer.parseInt(strAry[0]);
		       int y = Integer.parseInt(strAry[1]);
		       int z = Integer.parseInt(strAry[2]);
		       
		     if(x <  y && y  < z){
		    	 System.out.println("Yes");
		     }
		     else{
				System.out.println("No");
			}
	} catch (Exception e) {
		// TODO: handle exception
	}
}

} public class Main {
public static void main(String[] args) {
	try {
		BufferedReader buf = new BufferedReader(new InputStreamReader(System.in));
			String input;
			input = buf.readLine();
			
			String[] strAry = input.split(" ");
		       int x = Integer.parseInt(strAry[0]);
		       int y = Integer.parseInt(strAry[1]);
		       int z = Integer.parseInt(strAry[2]);
		       
		     if(x <  y && y  < z){
		    	 System.out.println("Yes");
		     }
		     else{
				System.out.println("No");
			}
	} catch (Exception e) {
		// TODO: handle exception
	}
}

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

public class Main {
public static void main(String[] args) {
	try {
		BufferedReader buf = new BufferedReader(new InputStreamReader(System.in));
			String input;
			input = buf.readLine();
			
			String[] strAry = input.split(" ");
		       int x = Integer.parseInt(strAry[0]);
		       int y = Integer.parseInt(strAry[1]);
		       int z = Integer.parseInt(strAry[2]);
		       
		     if(x <  y && y  < z){
		    	 System.out.println("Yes");
		     }
		     else{
				System.out.println("No");
			}
	} catch (Exception e) {
		// TODO: handle exception
	}
}

}