import java.io.*;

class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String str = br.readLine();
		String[] div = str.split(" ");
		int a = Integer.parseInt(div[0]);
		int b = Integer.parseInt(div[1]);
		int c = Integer.parseInt(div[2]);
		if (a < b && b < c){
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	}
} import java.io.*; io.* java class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String str = br.readLine();
		String[] div = str.split(" ");
		int a = Integer.parseInt(div[0]);
		int b = Integer.parseInt(div[1]);
		int c = Integer.parseInt(div[2]);
		if (a < b && b < c){
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	}
} Main public static void main (String[] args) throws java.lang.Exception
	{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String str = br.readLine();
		String[] div = str.split(" ");
		int a = Integer.parseInt(div[0]);
		int b = Integer.parseInt(div[1]);
		int c = Integer.parseInt(div[2]);
		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();
		String[] div = str.split(" ");
		int a = Integer.parseInt(div[0]);
		int b = Integer.parseInt(div[1]);
		int c = Integer.parseInt(div[2]);
		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 String[] div = str.split(" "); div str.split(" ") str.split str " " int a = Integer.parseInt(div[0]); a Integer.parseInt(div[0]) Integer.parseInt Integer div[0] div 0 int b = Integer.parseInt(div[1]); b Integer.parseInt(div[1]) Integer.parseInt Integer div[1] div 1 int c = Integer.parseInt(div[2]); c Integer.parseInt(div[2]) Integer.parseInt Integer div[2] div 2 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.*;

class Main
{
	public static void main (String[] args) throws java.lang.Exception
	{
		BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
		String str = br.readLine();
		String[] div = str.split(" ");
		int a = Integer.parseInt(div[0]);
		int b = Integer.parseInt(div[1]);
		int c = Integer.parseInt(div[2]);
		if (a < b && b < c){
			System.out.println("Yes");
		} else {
			System.out.println("No");
		}
	}
}