import java.util.Scanner;

public class Main{
	public static void main(String[] args){
		Scanner stdin = new Scanner(System.in);
		String readNum = stdin.nextLine();
		String[] twoNum = readNum.trim().split("\\s+");
		int a = Integer.parseInt(twoNum[0]);
		int b = Integer.parseInt(twoNum[1]);
		int c = Integer.parseInt(twoNum[2]);
		if ((a >= 0 && a <= 100) && (b >= 0 && b <= 100) && (c >= 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){
		Scanner stdin = new Scanner(System.in);
		String readNum = stdin.nextLine();
		String[] twoNum = readNum.trim().split("\\s+");
		int a = Integer.parseInt(twoNum[0]);
		int b = Integer.parseInt(twoNum[1]);
		int c = Integer.parseInt(twoNum[2]);
		if ((a >= 0 && a <= 100) && (b >= 0 && b <= 100) && (c >= 0 && c <= 100)) {
			if (a < b && b < c) {
				System.out.println("Yes");
			} else  {
				System.out.println("No");
			}
		}
	}
} Main public static void main(String[] args){
		Scanner stdin = new Scanner(System.in);
		String readNum = stdin.nextLine();
		String[] twoNum = readNum.trim().split("\\s+");
		int a = Integer.parseInt(twoNum[0]);
		int b = Integer.parseInt(twoNum[1]);
		int c = Integer.parseInt(twoNum[2]);
		if ((a >= 0 && a <= 100) && (b >= 0 && b <= 100) && (c >= 0 && c <= 100)) {
			if (a < b && b < c) {
				System.out.println("Yes");
			} else  {
				System.out.println("No");
			}
		}
	} main {
		Scanner stdin = new Scanner(System.in);
		String readNum = stdin.nextLine();
		String[] twoNum = readNum.trim().split("\\s+");
		int a = Integer.parseInt(twoNum[0]);
		int b = Integer.parseInt(twoNum[1]);
		int c = Integer.parseInt(twoNum[2]);
		if ((a >= 0 && a <= 100) && (b >= 0 && b <= 100) && (c >= 0 && c <= 100)) {
			if (a < b && b < c) {
				System.out.println("Yes");
			} else  {
				System.out.println("No");
			}
		}
	} Scanner stdin = new Scanner(System.in); stdin new Scanner(System.in) String readNum = stdin.nextLine(); readNum stdin.nextLine() stdin.nextLine stdin String[] twoNum = readNum.trim().split("\\s+"); twoNum readNum.trim().split("\\s+") readNum.trim().split readNum.trim() readNum.trim readNum "\\s+" int a = Integer.parseInt(twoNum[0]); a Integer.parseInt(twoNum[0]) Integer.parseInt Integer twoNum[0] twoNum 0 int b = Integer.parseInt(twoNum[1]); b Integer.parseInt(twoNum[1]) Integer.parseInt Integer twoNum[1] twoNum 1 int c = Integer.parseInt(twoNum[2]); c Integer.parseInt(twoNum[2]) Integer.parseInt Integer twoNum[2] twoNum 2 if ((a >= 0 && a <= 100) && (b >= 0 && b <= 100) && (c >= 0 && c <= 100)) {
			if (a < b && b < c) {
				System.out.println("Yes");
			} else  {
				System.out.println("No");
			}
		} (a >= 0 && a <= 100) && (b >= 0 && b <= 100) && (c >= 0 && c <= 100) (a >= 0 && a <= 100) && (b >= 0 && b <= 100) && (c >= 0 && c <= 100) (a >= 0 && a <= 100) a >= 0 a 0 a <= 100 a 100 (b >= 0 && b <= 100) b >= 0 b 0 b <= 100 b 100 (c >= 0 && c <= 100) c >= 0 c 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){
		Scanner stdin = new Scanner(System.in);
		String readNum = stdin.nextLine();
		String[] twoNum = readNum.trim().split("\\s+");
		int a = Integer.parseInt(twoNum[0]);
		int b = Integer.parseInt(twoNum[1]);
		int c = Integer.parseInt(twoNum[2]);
		if ((a >= 0 && a <= 100) && (b >= 0 && b <= 100) && (c >= 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){
		Scanner stdin = new Scanner(System.in);
		String readNum = stdin.nextLine();
		String[] twoNum = readNum.trim().split("\\s+");
		int a = Integer.parseInt(twoNum[0]);
		int b = Integer.parseInt(twoNum[1]);
		int c = Integer.parseInt(twoNum[2]);
		if ((a >= 0 && a <= 100) && (b >= 0 && b <= 100) && (c >= 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){
		Scanner stdin = new Scanner(System.in);
		String readNum = stdin.nextLine();
		String[] twoNum = readNum.trim().split("\\s+");
		int a = Integer.parseInt(twoNum[0]);
		int b = Integer.parseInt(twoNum[1]);
		int c = Integer.parseInt(twoNum[2]);
		if ((a >= 0 && a <= 100) && (b >= 0 && b <= 100) && (c >= 0 && c <= 100)) {
			if (a < b && b < c) {
				System.out.println("Yes");
			} else  {
				System.out.println("No");
			}
		}
	}
}