import java.io.*;
import java.util.*;

class Main{
	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		
		String str = br.readLine();

		StringTokenizer st = new StringTokenizer(str," ");

		int a = Integer.parseInt(st.nextToken());
		int b = Integer.parseInt(st.nextToken());
		int c = Integer.parseInt(st.nextToken());

		if (a < b && b < c) {
			System.out.println("Yes");
		}else{
			System.out.println("No");
		}
	}
} import java.io.*; io.* java import java.util.*; util.* java class Main{
	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		
		String str = br.readLine();

		StringTokenizer st = new StringTokenizer(str," ");

		int a = Integer.parseInt(st.nextToken());
		int b = Integer.parseInt(st.nextToken());
		int c = Integer.parseInt(st.nextToken());

		if (a < b && b < c) {
			System.out.println("Yes");
		}else{
			System.out.println("No");
		}
	}
} Main public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		
		String str = br.readLine();

		StringTokenizer st = new StringTokenizer(str," ");

		int a = Integer.parseInt(st.nextToken());
		int b = Integer.parseInt(st.nextToken());
		int c = Integer.parseInt(st.nextToken());

		if (a < b && b < c) {
			System.out.println("Yes");
		}else{
			System.out.println("No");
		}
	} main {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		
		String str = br.readLine();

		StringTokenizer st = new StringTokenizer(str," ");

		int a = Integer.parseInt(st.nextToken());
		int b = Integer.parseInt(st.nextToken());
		int c = Integer.parseInt(st.nextToken());

		if (a < b && b < c) {
			System.out.println("Yes");
		}else{
			System.out.println("No");
		}
	} BufferedReader br = new BufferedReader(new InputStreamReader(System.in)); br new BufferedReader(new InputStreamReader(System.in)) String str = br.readLine(); str br.readLine() br.readLine br StringTokenizer st = new StringTokenizer(str," "); st new StringTokenizer(str," ") int a = Integer.parseInt(st.nextToken()); a Integer.parseInt(st.nextToken()) Integer.parseInt Integer st.nextToken() st.nextToken st int b = Integer.parseInt(st.nextToken()); b Integer.parseInt(st.nextToken()) Integer.parseInt Integer st.nextToken() st.nextToken st int c = Integer.parseInt(st.nextToken()); c Integer.parseInt(st.nextToken()) Integer.parseInt Integer st.nextToken() st.nextToken st 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
import java.io.*;
import java.util.*;

class Main{
	public static void main(String[] args) throws IOException {
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		
		String str = br.readLine();

		StringTokenizer st = new StringTokenizer(str," ");

		int a = Integer.parseInt(st.nextToken());
		int b = Integer.parseInt(st.nextToken());
		int c = Integer.parseInt(st.nextToken());

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