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