import java.util.Scanner;

/**
 * Created by labuser on 2016/04/18.
 */
public class Main {
    public static void main(String[] args) {
        new Main().run();

    }

    private void run() {
        int a;
        int b;
        int c;

        Scanner sc = new Scanner(System.in);
        String[] input = sc.nextLine().split(" ");
        a = Integer.parseInt(input[0]);
        b = Integer.parseInt(input[1]);
        c = Integer.parseInt(input[2]);

        if ((a < b) && (b < c)) {
            System.out.println("Yes");
        } else {
            System.out.println("No");
        }
    }
} import java.util.Scanner; Scanner java.util public class Main {
    public static void main(String[] args) {
        new Main().run();

    }

    private void run() {
        int a;
        int b;
        int c;

        Scanner sc = new Scanner(System.in);
        String[] input = sc.nextLine().split(" ");
        a = Integer.parseInt(input[0]);
        b = Integer.parseInt(input[1]);
        c = Integer.parseInt(input[2]);

        if ((a < b) && (b < c)) {
            System.out.println("Yes");
        } else {
            System.out.println("No");
        }
    }
} Main public static void main(String[] args) {
        new Main().run();

    } main {
        new Main().run();

    } new Main().run() new Main().run new Main() String[] args args private void run() {
        int a;
        int b;
        int c;

        Scanner sc = new Scanner(System.in);
        String[] input = sc.nextLine().split(" ");
        a = Integer.parseInt(input[0]);
        b = Integer.parseInt(input[1]);
        c = Integer.parseInt(input[2]);

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

        Scanner sc = new Scanner(System.in);
        String[] input = sc.nextLine().split(" ");
        a = Integer.parseInt(input[0]);
        b = Integer.parseInt(input[1]);
        c = Integer.parseInt(input[2]);

        if ((a < b) && (b < c)) {
            System.out.println("Yes");
        } else {
            System.out.println("No");
        }
    } int a; a int b; b int c; c Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String[] input = sc.nextLine().split(" "); input sc.nextLine().split(" ") sc.nextLine().split sc.nextLine() sc.nextLine sc " " a = Integer.parseInt(input[0]) a Integer.parseInt(input[0]) Integer.parseInt Integer input[0] input 0 b = Integer.parseInt(input[1]) b Integer.parseInt(input[1]) Integer.parseInt Integer input[1] input 1 c = Integer.parseInt(input[2]) c Integer.parseInt(input[2]) Integer.parseInt Integer input[2] input 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" public class Main {
    public static void main(String[] args) {
        new Main().run();

    }

    private void run() {
        int a;
        int b;
        int c;

        Scanner sc = new Scanner(System.in);
        String[] input = sc.nextLine().split(" ");
        a = Integer.parseInt(input[0]);
        b = Integer.parseInt(input[1]);
        c = Integer.parseInt(input[2]);

        if ((a < b) && (b < c)) {
            System.out.println("Yes");
        } else {
            System.out.println("No");
        }
    }
} public class Main {
    public static void main(String[] args) {
        new Main().run();

    }

    private void run() {
        int a;
        int b;
        int c;

        Scanner sc = new Scanner(System.in);
        String[] input = sc.nextLine().split(" ");
        a = Integer.parseInt(input[0]);
        b = Integer.parseInt(input[1]);
        c = Integer.parseInt(input[2]);

        if ((a < b) && (b < c)) {
            System.out.println("Yes");
        } else {
            System.out.println("No");
        }
    }
} Main
import java.util.Scanner;

/**
 * Created by labuser on 2016/04/18.
 */
public class Main {
    public static void main(String[] args) {
        new Main().run();

    }

    private void run() {
        int a;
        int b;
        int c;

        Scanner sc = new Scanner(System.in);
        String[] input = sc.nextLine().split(" ");
        a = Integer.parseInt(input[0]);
        b = Integer.parseInt(input[1]);
        c = Integer.parseInt(input[2]);

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