

import java.util.Scanner;

public class Main {

	public static void main(String[] args)  {
		Scanner sc = new Scanner(System.in);

		int a = sc.nextInt();
		int b = sc.nextInt();
		int c = sc.nextInt();

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