import java.util.Scanner;

/**
 * Created by khrom on 2017/06/11.
 */
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in).useDelimiter("\\s");
        int a = scanner.nextInt();
        int b = scanner.nextInt();
        int c = scanner.nextInt();
        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) {
        Scanner scanner = new Scanner(System.in).useDelimiter("\\s");
        int a = scanner.nextInt();
        int b = scanner.nextInt();
        int c = scanner.nextInt();
        if (a < b && b < c)
            System.out.println("Yes");
        else
            System.out.println("No");
    }
} Main public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in).useDelimiter("\\s");
        int a = scanner.nextInt();
        int b = scanner.nextInt();
        int c = scanner.nextInt();
        if (a < b && b < c)
            System.out.println("Yes");
        else
            System.out.println("No");
    } main {
        Scanner scanner = new Scanner(System.in).useDelimiter("\\s");
        int a = scanner.nextInt();
        int b = scanner.nextInt();
        int c = scanner.nextInt();
        if (a < b && b < c)
            System.out.println("Yes");
        else
            System.out.println("No");
    } Scanner scanner = new Scanner(System.in).useDelimiter("\\s"); scanner new Scanner(System.in).useDelimiter("\\s") new Scanner(System.in).useDelimiter new Scanner(System.in) "\\s" int a = scanner.nextInt(); a scanner.nextInt() scanner.nextInt scanner int b = scanner.nextInt(); b scanner.nextInt() scanner.nextInt scanner int c = scanner.nextInt(); c scanner.nextInt() scanner.nextInt scanner 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) {
        Scanner scanner = new Scanner(System.in).useDelimiter("\\s");
        int a = scanner.nextInt();
        int b = scanner.nextInt();
        int c = scanner.nextInt();
        if (a < b && b < c)
            System.out.println("Yes");
        else
            System.out.println("No");
    }
} public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in).useDelimiter("\\s");
        int a = scanner.nextInt();
        int b = scanner.nextInt();
        int c = scanner.nextInt();
        if (a < b && b < c)
            System.out.println("Yes");
        else
            System.out.println("No");
    }
} Main
import java.util.Scanner;

/**
 * Created by khrom on 2017/06/11.
 */
public class Main {
    public static void main(String[] args) {
        Scanner scanner = new Scanner(System.in).useDelimiter("\\s");
        int a = scanner.nextInt();
        int b = scanner.nextInt();
        int c = scanner.nextInt();
        if (a < b && b < c)
            System.out.println("Yes");
        else
            System.out.println("No");
    }
}