import java.util.*;
import java.io.*;
import java.math.*;
 
public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        HashSet<Integer> hs = new HashSet<Integer>();
        hs.add(sc.nextInt());
        hs.add(sc.nextInt());
        hs.add(sc.nextInt());
        if(hs.size() == 2){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
    }
} import java.util.*; util.* java import java.io.*; io.* java import java.math.*; math.* java public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        HashSet<Integer> hs = new HashSet<Integer>();
        hs.add(sc.nextInt());
        hs.add(sc.nextInt());
        hs.add(sc.nextInt());
        if(hs.size() == 2){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
    }
} Main public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        HashSet<Integer> hs = new HashSet<Integer>();
        hs.add(sc.nextInt());
        hs.add(sc.nextInt());
        hs.add(sc.nextInt());
        if(hs.size() == 2){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
    } main {
        Scanner sc = new Scanner(System.in);
        HashSet<Integer> hs = new HashSet<Integer>();
        hs.add(sc.nextInt());
        hs.add(sc.nextInt());
        hs.add(sc.nextInt());
        if(hs.size() == 2){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) HashSet<Integer> hs = new HashSet<Integer>(); hs new HashSet<Integer>() hs.add(sc.nextInt()) hs.add hs sc.nextInt() sc.nextInt sc hs.add(sc.nextInt()) hs.add hs sc.nextInt() sc.nextInt sc hs.add(sc.nextInt()) hs.add hs sc.nextInt() sc.nextInt sc if(hs.size() == 2){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        } hs.size() == 2 hs.size() hs.size hs 2 {
            System.out.println("Yes");
        } System.out.println("Yes") System.out.println System.out System System.out "Yes" {
            System.out.println("No");
        } 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) throws Exception {
        Scanner sc = new Scanner(System.in);
        HashSet<Integer> hs = new HashSet<Integer>();
        hs.add(sc.nextInt());
        hs.add(sc.nextInt());
        hs.add(sc.nextInt());
        if(hs.size() == 2){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
    }
} public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        HashSet<Integer> hs = new HashSet<Integer>();
        hs.add(sc.nextInt());
        hs.add(sc.nextInt());
        hs.add(sc.nextInt());
        if(hs.size() == 2){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
    }
} Main
import java.util.*;
import java.io.*;
import java.math.*;
 
public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        HashSet<Integer> hs = new HashSet<Integer>();
        hs.add(sc.nextInt());
        hs.add(sc.nextInt());
        hs.add(sc.nextInt());
        if(hs.size() == 2){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
    }
}