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

public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int a=scan.nextInt();
		int b=scan.nextInt();
		int c=scan.nextInt();
		HashSet h=new HashSet();
		h.add(a);
		h.add(b);
		h.add(c);
		if(h.size()==2) System.out.println("Yes");
		else System.out.println("No");
	}

} import java.util.HashSet; HashSet java.util import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int a=scan.nextInt();
		int b=scan.nextInt();
		int c=scan.nextInt();
		HashSet h=new HashSet();
		h.add(a);
		h.add(b);
		h.add(c);
		if(h.size()==2) System.out.println("Yes");
		else System.out.println("No");
	}

} Main public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int a=scan.nextInt();
		int b=scan.nextInt();
		int c=scan.nextInt();
		HashSet h=new HashSet();
		h.add(a);
		h.add(b);
		h.add(c);
		if(h.size()==2) System.out.println("Yes");
		else System.out.println("No");
	} main {
		Scanner scan = new Scanner(System.in);
		int a=scan.nextInt();
		int b=scan.nextInt();
		int c=scan.nextInt();
		HashSet h=new HashSet();
		h.add(a);
		h.add(b);
		h.add(c);
		if(h.size()==2) System.out.println("Yes");
		else System.out.println("No");
	} Scanner scan = new Scanner(System.in); scan new Scanner(System.in) int a=scan.nextInt(); a scan.nextInt() scan.nextInt scan int b=scan.nextInt(); b scan.nextInt() scan.nextInt scan int c=scan.nextInt(); c scan.nextInt() scan.nextInt scan HashSet h=new HashSet(); h new HashSet() h.add(a) h.add h a h.add(b) h.add h b h.add(c) h.add h c if(h.size()==2) System.out.println("Yes");
		else System.out.println("No"); h.size()==2 h.size() h.size h 2 System.out.println("Yes") System.out.println System.out System System.out "Yes" System.out.println("No") System.out.println System.out System System.out "No" String[] args args public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int a=scan.nextInt();
		int b=scan.nextInt();
		int c=scan.nextInt();
		HashSet h=new HashSet();
		h.add(a);
		h.add(b);
		h.add(c);
		if(h.size()==2) System.out.println("Yes");
		else System.out.println("No");
	}

} public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int a=scan.nextInt();
		int b=scan.nextInt();
		int c=scan.nextInt();
		HashSet h=new HashSet();
		h.add(a);
		h.add(b);
		h.add(c);
		if(h.size()==2) System.out.println("Yes");
		else System.out.println("No");
	}

} Main
import java.util.HashSet;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		int a=scan.nextInt();
		int b=scan.nextInt();
		int c=scan.nextInt();
		HashSet h=new HashSet();
		h.add(a);
		h.add(b);
		h.add(c);
		if(h.size()==2) System.out.println("Yes");
		else System.out.println("No");
	}

}
