import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String aStr = sc.next();
		String bStr = sc.next();
		String cStr = sc.next();
		int a = Integer.parseInt(aStr);
		int b = Integer.parseInt(bStr);
		int c = Integer.parseInt(cStr);
		if(a < b && b < c) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
		sc.close();
	}
} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String aStr = sc.next();
		String bStr = sc.next();
		String cStr = sc.next();
		int a = Integer.parseInt(aStr);
		int b = Integer.parseInt(bStr);
		int c = Integer.parseInt(cStr);
		if(a < b && b < c) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
		sc.close();
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String aStr = sc.next();
		String bStr = sc.next();
		String cStr = sc.next();
		int a = Integer.parseInt(aStr);
		int b = Integer.parseInt(bStr);
		int c = Integer.parseInt(cStr);
		if(a < b && b < c) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
		sc.close();
	} main {
		Scanner sc = new Scanner(System.in);
		String aStr = sc.next();
		String bStr = sc.next();
		String cStr = sc.next();
		int a = Integer.parseInt(aStr);
		int b = Integer.parseInt(bStr);
		int c = Integer.parseInt(cStr);
		if(a < b && b < c) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
		sc.close();
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String aStr = sc.next(); aStr sc.next() sc.next sc String bStr = sc.next(); bStr sc.next() sc.next sc String cStr = sc.next(); cStr sc.next() sc.next sc int a = Integer.parseInt(aStr); a Integer.parseInt(aStr) Integer.parseInt Integer aStr int b = Integer.parseInt(bStr); b Integer.parseInt(bStr) Integer.parseInt Integer bStr int c = Integer.parseInt(cStr); c Integer.parseInt(cStr) Integer.parseInt Integer cStr 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" sc.close() sc.close sc String[] args args public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String aStr = sc.next();
		String bStr = sc.next();
		String cStr = sc.next();
		int a = Integer.parseInt(aStr);
		int b = Integer.parseInt(bStr);
		int c = Integer.parseInt(cStr);
		if(a < b && b < c) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
		sc.close();
	}
} public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String aStr = sc.next();
		String bStr = sc.next();
		String cStr = sc.next();
		int a = Integer.parseInt(aStr);
		int b = Integer.parseInt(bStr);
		int c = Integer.parseInt(cStr);
		if(a < b && b < c) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
		sc.close();
	}
} Main
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String aStr = sc.next();
		String bStr = sc.next();
		String cStr = sc.next();
		int a = Integer.parseInt(aStr);
		int b = Integer.parseInt(bStr);
		int c = Integer.parseInt(cStr);
		if(a < b && b < c) {
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
		sc.close();
	}
}