import java.util.Scanner;

class Main {
    public static void main(String[] args) {
        Scanner stdIn = new Scanner(System.in);
        int a = stdIn.nextInt();
        int b = stdIn.nextInt();
        int c = stdIn.nextInt();

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

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

        System.out.println(a < b && b < c ? "Yes" : "No");
    } main {
        Scanner stdIn = new Scanner(System.in);
        int a = stdIn.nextInt();
        int b = stdIn.nextInt();
        int c = stdIn.nextInt();

        System.out.println(a < b && b < c ? "Yes" : "No");
    } Scanner stdIn = new Scanner(System.in); stdIn new Scanner(System.in) int a = stdIn.nextInt(); a stdIn.nextInt() stdIn.nextInt stdIn int b = stdIn.nextInt(); b stdIn.nextInt() stdIn.nextInt stdIn int c = stdIn.nextInt(); c stdIn.nextInt() stdIn.nextInt stdIn 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
import java.util.Scanner;

class Main {
    public static void main(String[] args) {
        Scanner stdIn = new Scanner(System.in);
        int a = stdIn.nextInt();
        int b = stdIn.nextInt();
        int c = stdIn.nextInt();

        System.out.println(a < b && b < c ? "Yes" : "No");
    }
}