

import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int num1 = scanner.nextInt();
		int num2 = scanner.nextInt();
		int num3 = scanner.nextInt();

		if (num1 < num2 && num2 < num3)
			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) {
		Scanner scanner = new Scanner(System.in);
		int num1 = scanner.nextInt();
		int num2 = scanner.nextInt();
		int num3 = scanner.nextInt();

		if (num1 < num2 && num2 < num3)
			System.out.println("Yes");
		else
			System.out.println("No");
	}
} Main public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int num1 = scanner.nextInt();
		int num2 = scanner.nextInt();
		int num3 = scanner.nextInt();

		if (num1 < num2 && num2 < num3)
			System.out.println("Yes");
		else
			System.out.println("No");
	} main {
		Scanner scanner = new Scanner(System.in);
		int num1 = scanner.nextInt();
		int num2 = scanner.nextInt();
		int num3 = scanner.nextInt();

		if (num1 < num2 && num2 < num3)
			System.out.println("Yes");
		else
			System.out.println("No");
	} Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) int num1 = scanner.nextInt(); num1 scanner.nextInt() scanner.nextInt scanner int num2 = scanner.nextInt(); num2 scanner.nextInt() scanner.nextInt scanner int num3 = scanner.nextInt(); num3 scanner.nextInt() scanner.nextInt scanner if (num1 < num2 && num2 < num3)
			System.out.println("Yes");
		else
			System.out.println("No"); num1 < num2 && num2 < num3 num1 < num2 num1 num2 num2 < num3 num2 num3 System.out.println("Yes") System.out.println System.out System System.out "Yes" 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) {
		Scanner scanner = new Scanner(System.in);
		int num1 = scanner.nextInt();
		int num2 = scanner.nextInt();
		int num3 = scanner.nextInt();

		if (num1 < num2 && num2 < num3)
			System.out.println("Yes");
		else
			System.out.println("No");
	}
} public class Main {
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int num1 = scanner.nextInt();
		int num2 = scanner.nextInt();
		int num3 = scanner.nextInt();

		if (num1 < num2 && num2 < num3)
			System.out.println("Yes");
		else
			System.out.println("No");
	}
} Main


import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner scanner = new Scanner(System.in);
		int num1 = scanner.nextInt();
		int num2 = scanner.nextInt();
		int num3 = scanner.nextInt();

		if (num1 < num2 && num2 < num3)
			System.out.println("Yes");
		else
			System.out.println("No");
	}
}