import java.io.BufferedReader;
import java.io.InputStreamReader;

public class Main {

	public static void main(String[] args) {
		BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
		String buffer;
		try {
			while ((buffer = reader.readLine())  != null) {
				Integer a = Integer.valueOf(buffer.substring(0, buffer.indexOf(" ")));
				Integer b = Integer.valueOf(buffer.substring(buffer.indexOf(" ") + 1, buffer.indexOf(" ", buffer.indexOf(" ") + 1)));
				Integer c = Integer.valueOf(buffer.substring(buffer.indexOf(" ", buffer.indexOf(" ") + 1) + 1));
				if (a < b && b < c) {
					System.out.println("Yes");
				}
				else {
					System.out.println("No");
				}
			}
		} catch (Exception ex) {
			ex.printStackTrace();
		}
	}
}
/tmp/hf-datasets-cache/medium/datasets/42704881117311-config-parquet-and-info-qiankunmu-Project_CodeNet-896c9d36/hub/datasets--qiankunmu--Project_CodeNet_Python800_and_Java250/snapshots/c899fde44a77ba1cc14973ed3de064e4ff3aadc7/Project_CodeNet_Java250.tar.gz