import java.util.HashSet;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		HashSet<Integer> set = new HashSet<Integer>();
		Scanner scan = new Scanner(System.in);
		set.add(scan.nextInt());
		set.add(scan.nextInt());
		set.add(scan.nextInt());
		if(set.size() == 2) System.out.println("Yes");
		else System.out.println("No");
		scan.close();
	}

}
/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