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