import java.util.Scanner;

public class Main {
	public static void main(String[] args) {

		int a = 0;
		int b = 0;
		int c = 0;

		try (Scanner scanner = new Scanner(System.in)) {
			a = scanner.nextInt();
			b = scanner.nextInt();
			c = scanner.nextInt();
		}

		if(a>=0&&c<=100) {
			if(a<b&&b<c) {
				System.out.println("Yes");
			}else {
				System.out.println("No");
			}
		}

	}

} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args) {

		int a = 0;
		int b = 0;
		int c = 0;

		try (Scanner scanner = new Scanner(System.in)) {
			a = scanner.nextInt();
			b = scanner.nextInt();
			c = scanner.nextInt();
		}

		if(a>=0&&c<=100) {
			if(a<b&&b<c) {
				System.out.println("Yes");
			}else {
				System.out.println("No");
			}
		}

	}

} Main public static void main(String[] args) {

		int a = 0;
		int b = 0;
		int c = 0;

		try (Scanner scanner = new Scanner(System.in)) {
			a = scanner.nextInt();
			b = scanner.nextInt();
			c = scanner.nextInt();
		}

		if(a>=0&&c<=100) {
			if(a<b&&b<c) {
				System.out.println("Yes");
			}else {
				System.out.println("No");
			}
		}

	} main {

		int a = 0;
		int b = 0;
		int c = 0;

		try (Scanner scanner = new Scanner(System.in)) {
			a = scanner.nextInt();
			b = scanner.nextInt();
			c = scanner.nextInt();
		}

		if(a>=0&&c<=100) {
			if(a<b&&b<c) {
				System.out.println("Yes");
			}else {
				System.out.println("No");
			}
		}

	} int a = 0; a 0 int b = 0; b 0 int c = 0; c 0 try (Scanner scanner = new Scanner(System.in)) {
			a = scanner.nextInt();
			b = scanner.nextInt();
			c = scanner.nextInt();
		} {
			a = scanner.nextInt();
			b = scanner.nextInt();
			c = scanner.nextInt();
		} Scanner scanner = new Scanner(System.in) Scanner scanner = new Scanner(System.in) new Scanner(System.in) a = scanner.nextInt() a scanner.nextInt() scanner.nextInt scanner b = scanner.nextInt() b scanner.nextInt() scanner.nextInt scanner c = scanner.nextInt() c scanner.nextInt() scanner.nextInt scanner if(a>=0&&c<=100) {
			if(a<b&&b<c) {
				System.out.println("Yes");
			}else {
				System.out.println("No");
			}
		} a>=0&&c<=100 a>=0 a 0 c<=100 c 100 {
			if(a<b&&b<c) {
				System.out.println("Yes");
			}else {
				System.out.println("No");
			}
		} 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) {

		int a = 0;
		int b = 0;
		int c = 0;

		try (Scanner scanner = new Scanner(System.in)) {
			a = scanner.nextInt();
			b = scanner.nextInt();
			c = scanner.nextInt();
		}

		if(a>=0&&c<=100) {
			if(a<b&&b<c) {
				System.out.println("Yes");
			}else {
				System.out.println("No");
			}
		}

	}

} public class Main {
	public static void main(String[] args) {

		int a = 0;
		int b = 0;
		int c = 0;

		try (Scanner scanner = new Scanner(System.in)) {
			a = scanner.nextInt();
			b = scanner.nextInt();
			c = scanner.nextInt();
		}

		if(a>=0&&c<=100) {
			if(a<b&&b<c) {
				System.out.println("Yes");
			}else {
				System.out.println("No");
			}
		}

	}

} Main
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {

		int a = 0;
		int b = 0;
		int c = 0;

		try (Scanner scanner = new Scanner(System.in)) {
			a = scanner.nextInt();
			b = scanner.nextInt();
			c = scanner.nextInt();
		}

		if(a>=0&&c<=100) {
			if(a<b&&b<c) {
				System.out.println("Yes");
			}else {
				System.out.println("No");
			}
		}

	}

}