import java.util.Scanner;
public class Main {

	public static void main(String[] args) {
		Scanner kbs = new Scanner(System.in);
		int a = kbs.nextInt();
		int b = kbs.nextInt();
		int c = kbs.nextInt();
		
		if(a != b && a != c && b != c) {
			System.out.println("No");
		}
		
		if(a == b && a != c && b != c) {
			System.out.println("Yes");
		}
		
		if(a != b && a == c && b != c) {
			System.out.println("Yes");
		}
		
		if(a != b && a != c && b == c) {
			System.out.println("Yes");
		}
		
		if(a == b && a == c && b == c) {
			System.out.println("No");
		}
		
		kbs.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