import java.util.Scanner;
//import java.util.Arrays;
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) || (a != b && b != c && c != a) ? "No" : "Yes");
	}
} import java.util.Scanner; Scanner java.util 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) || (a != b && b != c && c != a) ? "No" : "Yes");
	}
} 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) || (a != b && b != c && c != a) ? "No" : "Yes");
	} main {
		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) || (a != b && b != c && c != a) ? "No" : "Yes");
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int a = sc.nextInt(); a sc.nextInt() sc.nextInt sc int b = sc.nextInt(); b sc.nextInt() sc.nextInt sc int c = sc.nextInt(); c sc.nextInt() sc.nextInt sc System.out.println((a == b && b == c) || (a != b && b != c && c != a) ? "No" : "Yes") System.out.println System.out System System.out (a == b && b == c) || (a != b && b != c && c != a) ? "No" : "Yes" (a == b && b == c) || (a != b && b != c && c != a) (a == b && b == c) a == b a b b == c b c (a != b && b != c && c != a) a != b && b != c && c != a a != b a b b != c b c c != a c a "No" "Yes" String[] args args 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) || (a != b && b != c && c != a) ? "No" : "Yes");
	}
} 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) || (a != b && b != c && c != a) ? "No" : "Yes");
	}
} Main
import java.util.Scanner;
//import java.util.Arrays;
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) || (a != b && b != c && c != a) ? "No" : "Yes");
	}
}
