import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner sc = new Scanner(System.in);
		String input = sc.nextLine();
		String[] data = input.split(" ");
		int a = Integer.parseInt(data[0]);
		int b = Integer.parseInt(data[1]);
		int c = Integer.parseInt(data[2]);

		if ((0 <= a && a <= 100) && (0 <= b && b <= 100)
				&& (0 <= c && 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) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner sc = new Scanner(System.in);
		String input = sc.nextLine();
		String[] data = input.split(" ");
		int a = Integer.parseInt(data[0]);
		int b = Integer.parseInt(data[1]);
		int c = Integer.parseInt(data[2]);

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

} Main public static void main(String[] args) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner sc = new Scanner(System.in);
		String input = sc.nextLine();
		String[] data = input.split(" ");
		int a = Integer.parseInt(data[0]);
		int b = Integer.parseInt(data[1]);
		int c = Integer.parseInt(data[2]);

		if ((0 <= a && a <= 100) && (0 <= b && b <= 100)
				&& (0 <= c && c <= 100)) {
			if ((a < b) && (b < c)) {
				System.out.println("Yes");
			} else {
				System.out.println("No");
			}
		}
	} main {
		// TODO 自動生成されたメソッド・スタブ
		Scanner sc = new Scanner(System.in);
		String input = sc.nextLine();
		String[] data = input.split(" ");
		int a = Integer.parseInt(data[0]);
		int b = Integer.parseInt(data[1]);
		int c = Integer.parseInt(data[2]);

		if ((0 <= a && a <= 100) && (0 <= b && b <= 100)
				&& (0 <= c && c <= 100)) {
			if ((a < b) && (b < c)) {
				System.out.println("Yes");
			} else {
				System.out.println("No");
			}
		}
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String input = sc.nextLine(); input sc.nextLine() sc.nextLine sc String[] data = input.split(" "); data input.split(" ") input.split input " " int a = Integer.parseInt(data[0]); a Integer.parseInt(data[0]) Integer.parseInt Integer data[0] data 0 int b = Integer.parseInt(data[1]); b Integer.parseInt(data[1]) Integer.parseInt Integer data[1] data 1 int c = Integer.parseInt(data[2]); c Integer.parseInt(data[2]) Integer.parseInt Integer data[2] data 2 if ((0 <= a && a <= 100) && (0 <= b && b <= 100)
				&& (0 <= c && c <= 100)) {
			if ((a < b) && (b < c)) {
				System.out.println("Yes");
			} else {
				System.out.println("No");
			}
		} (0 <= a && a <= 100) && (0 <= b && b <= 100)
				&& (0 <= c && c <= 100) (0 <= a && a <= 100) && (0 <= b && b <= 100)
				&& (0 <= c && c <= 100) (0 <= a && a <= 100) 0 <= a 0 a a <= 100 a 100 (0 <= b && b <= 100) 0 <= b 0 b b <= 100 b 100 (0 <= c && c <= 100) 0 <= c 0 c 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) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner sc = new Scanner(System.in);
		String input = sc.nextLine();
		String[] data = input.split(" ");
		int a = Integer.parseInt(data[0]);
		int b = Integer.parseInt(data[1]);
		int c = Integer.parseInt(data[2]);

		if ((0 <= a && a <= 100) && (0 <= b && b <= 100)
				&& (0 <= c && 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) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner sc = new Scanner(System.in);
		String input = sc.nextLine();
		String[] data = input.split(" ");
		int a = Integer.parseInt(data[0]);
		int b = Integer.parseInt(data[1]);
		int c = Integer.parseInt(data[2]);

		if ((0 <= a && a <= 100) && (0 <= b && b <= 100)
				&& (0 <= c && 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) {
		// TODO 自動生成されたメソッド・スタブ
		Scanner sc = new Scanner(System.in);
		String input = sc.nextLine();
		String[] data = input.split(" ");
		int a = Integer.parseInt(data[0]);
		int b = Integer.parseInt(data[1]);
		int c = Integer.parseInt(data[2]);

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

}

