import java.util.*;

public class Main {

    public static void main(String arg[]) {
        try {
            Scanner scan = new Scanner(System.in);
            int a = scan.nextInt();
            int b = scan.nextInt();
            int c = scan.nextInt();
            if ( 0<= a && a<101 && 0<= b && b<101 && 0<= c && c<101) {
                if (a < b && b < c) {
                    System.out.println("Yes");
                }else {
                    System.out.println("No");
                }
            } else {
                System.out.println("1??????100?????§???????????§???");
            }

        } catch (InputMismatchException ex) {
            System.out.println("1??????100?????§????????¶??°?????\?????????????????????");
        }
    }
} import java.util.*; util.* java public class Main {

    public static void main(String arg[]) {
        try {
            Scanner scan = new Scanner(System.in);
            int a = scan.nextInt();
            int b = scan.nextInt();
            int c = scan.nextInt();
            if ( 0<= a && a<101 && 0<= b && b<101 && 0<= c && c<101) {
                if (a < b && b < c) {
                    System.out.println("Yes");
                }else {
                    System.out.println("No");
                }
            } else {
                System.out.println("1??????100?????§???????????§???");
            }

        } catch (InputMismatchException ex) {
            System.out.println("1??????100?????§????????¶??°?????\?????????????????????");
        }
    }
} Main public static void main(String arg[]) {
        try {
            Scanner scan = new Scanner(System.in);
            int a = scan.nextInt();
            int b = scan.nextInt();
            int c = scan.nextInt();
            if ( 0<= a && a<101 && 0<= b && b<101 && 0<= c && c<101) {
                if (a < b && b < c) {
                    System.out.println("Yes");
                }else {
                    System.out.println("No");
                }
            } else {
                System.out.println("1??????100?????§???????????§???");
            }

        } catch (InputMismatchException ex) {
            System.out.println("1??????100?????§????????¶??°?????\?????????????????????");
        }
    } main {
        try {
            Scanner scan = new Scanner(System.in);
            int a = scan.nextInt();
            int b = scan.nextInt();
            int c = scan.nextInt();
            if ( 0<= a && a<101 && 0<= b && b<101 && 0<= c && c<101) {
                if (a < b && b < c) {
                    System.out.println("Yes");
                }else {
                    System.out.println("No");
                }
            } else {
                System.out.println("1??????100?????§???????????§???");
            }

        } catch (InputMismatchException ex) {
            System.out.println("1??????100?????§????????¶??°?????\?????????????????????");
        }
    } try {
            Scanner scan = new Scanner(System.in);
            int a = scan.nextInt();
            int b = scan.nextInt();
            int c = scan.nextInt();
            if ( 0<= a && a<101 && 0<= b && b<101 && 0<= c && c<101) {
                if (a < b && b < c) {
                    System.out.println("Yes");
                }else {
                    System.out.println("No");
                }
            } else {
                System.out.println("1??????100?????§???????????§???");
            }

        } catch (InputMismatchException ex) {
            System.out.println("1??????100?????§????????¶??°?????\?????????????????????");
        } catch (InputMismatchException ex) {
            System.out.println("1??????100?????§????????¶??°?????\?????????????????????");
        } InputMismatchException ex {
            System.out.println("1??????100?????§????????¶??°?????\?????????????????????");
        } System.out.println("1??????100?????§????????¶??°?????\?????????????????????") System.out.println System.out System System.out "1??????100?????§????????¶??°?????\?????????????????????" {
            Scanner scan = new Scanner(System.in);
            int a = scan.nextInt();
            int b = scan.nextInt();
            int c = scan.nextInt();
            if ( 0<= a && a<101 && 0<= b && b<101 && 0<= c && c<101) {
                if (a < b && b < c) {
                    System.out.println("Yes");
                }else {
                    System.out.println("No");
                }
            } else {
                System.out.println("1??????100?????§???????????§???");
            }

        } Scanner scan = new Scanner(System.in); scan new Scanner(System.in) int a = scan.nextInt(); a scan.nextInt() scan.nextInt scan int b = scan.nextInt(); b scan.nextInt() scan.nextInt scan int c = scan.nextInt(); c scan.nextInt() scan.nextInt scan if ( 0<= a && a<101 && 0<= b && b<101 && 0<= c && c<101) {
                if (a < b && b < c) {
                    System.out.println("Yes");
                }else {
                    System.out.println("No");
                }
            } else {
                System.out.println("1??????100?????§???????????§???");
            } 0<= a && a<101 && 0<= b && b<101 && 0<= c && c<101 0<= c b<101 0<= b 0<= a && a<101 && 0<= b && b<101 && 0<= c && c<101 0<= a 0 a a<101 a 101 0<= b 0 b b<101 b 101 0<= c 0 c c<101 c 101 {
                if (a < b && b < c) {
                    System.out.println("Yes");
                }else {
                    System.out.println("No");
                }
            } 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" {
                System.out.println("1??????100?????§???????????§???");
            } System.out.println("1??????100?????§???????????§???") System.out.println System.out System System.out "1??????100?????§???????????§???" String arg[] arg public class Main {

    public static void main(String arg[]) {
        try {
            Scanner scan = new Scanner(System.in);
            int a = scan.nextInt();
            int b = scan.nextInt();
            int c = scan.nextInt();
            if ( 0<= a && a<101 && 0<= b && b<101 && 0<= c && c<101) {
                if (a < b && b < c) {
                    System.out.println("Yes");
                }else {
                    System.out.println("No");
                }
            } else {
                System.out.println("1??????100?????§???????????§???");
            }

        } catch (InputMismatchException ex) {
            System.out.println("1??????100?????§????????¶??°?????\?????????????????????");
        }
    }
} public class Main {

    public static void main(String arg[]) {
        try {
            Scanner scan = new Scanner(System.in);
            int a = scan.nextInt();
            int b = scan.nextInt();
            int c = scan.nextInt();
            if ( 0<= a && a<101 && 0<= b && b<101 && 0<= c && c<101) {
                if (a < b && b < c) {
                    System.out.println("Yes");
                }else {
                    System.out.println("No");
                }
            } else {
                System.out.println("1??????100?????§???????????§???");
            }

        } catch (InputMismatchException ex) {
            System.out.println("1??????100?????§????????¶??°?????\?????????????????????");
        }
    }
} Main
import java.util.*;

public class Main {

    public static void main(String arg[]) {
        try {
            Scanner scan = new Scanner(System.in);
            int a = scan.nextInt();
            int b = scan.nextInt();
            int c = scan.nextInt();
            if ( 0<= a && a<101 && 0<= b && b<101 && 0<= c && c<101) {
                if (a < b && b < c) {
                    System.out.println("Yes");
                }else {
                    System.out.println("No");
                }
            } else {
                System.out.println("1??????100?????§???????????§???");
            }

        } catch (InputMismatchException ex) {
            System.out.println("1??????100?????§????????¶??°?????\?????????????????????");
        }
    }
}