
import java.io.IOException;
import java.util.Scanner;


public class Main {

	public static boolean isMT (int a, int b) {
		return b > a;
	}

	public static void main(String[] args) throws IOException {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();

		if (isMT(a, b)) {
			if (isMT(b, c)) {
				System.out.println("Yes");
				return;
			}
		}
		System.out.println("No");
	}
} import java.io.IOException; IOException java.io import java.util.Scanner; Scanner java.util public class Main {

	public static boolean isMT (int a, int b) {
		return b > a;
	}

	public static void main(String[] args) throws IOException {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();

		if (isMT(a, b)) {
			if (isMT(b, c)) {
				System.out.println("Yes");
				return;
			}
		}
		System.out.println("No");
	}
} Main public static boolean isMT (int a, int b) {
		return b > a;
	} isMT {
		return b > a;
	} return b > a; b > a b a int a a int b b public static void main(String[] args) throws IOException {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();

		if (isMT(a, b)) {
			if (isMT(b, c)) {
				System.out.println("Yes");
				return;
			}
		}
		System.out.println("No");
	} main {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();

		if (isMT(a, b)) {
			if (isMT(b, c)) {
				System.out.println("Yes");
				return;
			}
		}
		System.out.println("No");
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc int b = sc.nextInt(); b sc.nextInt() sc.nextInt sc int c = sc.nextInt(); c sc.nextInt() sc.nextInt sc if (isMT(a, b)) {
			if (isMT(b, c)) {
				System.out.println("Yes");
				return;
			}
		} isMT(a, b) isMT a b {
			if (isMT(b, c)) {
				System.out.println("Yes");
				return;
			}
		} if (isMT(b, c)) {
				System.out.println("Yes");
				return;
			} isMT(b, c) isMT b c {
				System.out.println("Yes");
				return;
			} System.out.println("Yes") System.out.println System.out System System.out "Yes" return; System.out.println("No") System.out.println System.out System System.out "No" String[] args args public class Main {

	public static boolean isMT (int a, int b) {
		return b > a;
	}

	public static void main(String[] args) throws IOException {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();

		if (isMT(a, b)) {
			if (isMT(b, c)) {
				System.out.println("Yes");
				return;
			}
		}
		System.out.println("No");
	}
} public class Main {

	public static boolean isMT (int a, int b) {
		return b > a;
	}

	public static void main(String[] args) throws IOException {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();

		if (isMT(a, b)) {
			if (isMT(b, c)) {
				System.out.println("Yes");
				return;
			}
		}
		System.out.println("No");
	}
} Main

import java.io.IOException;
import java.util.Scanner;


public class Main {

	public static boolean isMT (int a, int b) {
		return b > a;
	}

	public static void main(String[] args) throws IOException {
		Scanner sc = new Scanner(System.in);
		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();

		if (isMT(a, b)) {
			if (isMT(b, c)) {
				System.out.println("Yes");
				return;
			}
		}
		System.out.println("No");
	}
}