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

class Main
{
    public static void main (String args[]) throws IOException         //?????????
    {
        InputStreamReader is = new InputStreamReader(System.in);       //?????????
        BufferedReader br = new BufferedReader(is);                    //?????????
        Scanner sc = new Scanner(System.in);

        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();

        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         //?????????
    {
        InputStreamReader is = new InputStreamReader(System.in);       //?????????
        BufferedReader br = new BufferedReader(is);                    //?????????
        Scanner sc = new Scanner(System.in);

        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();

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

        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();

        if((a < b) && (b < c)){
            System.out.println("Yes");
        }
        else{
            System.out.println("No");
        }
    } main {
        InputStreamReader is = new InputStreamReader(System.in);       //?????????
        BufferedReader br = new BufferedReader(is);                    //?????????
        Scanner sc = new Scanner(System.in);

        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();

        if((a < b) && (b < c)){
            System.out.println("Yes");
        }
        else{
            System.out.println("No");
        }
    } InputStreamReader is = new InputStreamReader(System.in); is new InputStreamReader(System.in) BufferedReader br = new BufferedReader(is); br new BufferedReader(is) Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc int b = sc.nextInt(); b sc.nextInt() sc.nextInt sc int c = sc.nextInt(); c sc.nextInt() sc.nextInt sc 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         //?????????
    {
        InputStreamReader is = new InputStreamReader(System.in);       //?????????
        BufferedReader br = new BufferedReader(is);                    //?????????
        Scanner sc = new Scanner(System.in);

        int a = sc.nextInt();
        int b = sc.nextInt();
        int c = sc.nextInt();

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