import java.util.*;

public class Main {
    private static final Scanner scn = new Scanner(System.in);
    
    public static void main(String[] args) {
        int a = scn.nextInt(), b = scn.nextInt(), c = scn.nextInt();
        System.out.println(a < b && b < c ? "Yes" : "No");
    }
} import java.util.*; util.* java public class Main {
    private static final Scanner scn = new Scanner(System.in);
    
    public static void main(String[] args) {
        int a = scn.nextInt(), b = scn.nextInt(), c = scn.nextInt();
        System.out.println(a < b && b < c ? "Yes" : "No");
    }
} Main private static final Scanner scn = new Scanner(System.in); scn new Scanner(System.in) public static void main(String[] args) {
        int a = scn.nextInt(), b = scn.nextInt(), c = scn.nextInt();
        System.out.println(a < b && b < c ? "Yes" : "No");
    } main {
        int a = scn.nextInt(), b = scn.nextInt(), c = scn.nextInt();
        System.out.println(a < b && b < c ? "Yes" : "No");
    } int a = scn.nextInt() a scn.nextInt() scn.nextInt scn b = scn.nextInt() b scn.nextInt() scn.nextInt scn c = scn.nextInt(); c scn.nextInt() scn.nextInt scn System.out.println(a < b && b < c ? "Yes" : "No") System.out.println System.out System System.out a < b && b < c ? "Yes" : "No" a < b && b < c a < b a b b < c b c "Yes" "No" String[] args args public class Main {
    private static final Scanner scn = new Scanner(System.in);
    
    public static void main(String[] args) {
        int a = scn.nextInt(), b = scn.nextInt(), c = scn.nextInt();
        System.out.println(a < b && b < c ? "Yes" : "No");
    }
} public class Main {
    private static final Scanner scn = new Scanner(System.in);
    
    public static void main(String[] args) {
        int a = scn.nextInt(), b = scn.nextInt(), c = scn.nextInt();
        System.out.println(a < b && b < c ? "Yes" : "No");
    }
} Main
import java.util.*;

public class Main {
    private static final Scanner scn = new Scanner(System.in);
    
    public static void main(String[] args) {
        int a = scn.nextInt(), b = scn.nextInt(), c = scn.nextInt();
        System.out.println(a < b && b < c ? "Yes" : "No");
    }
}