import 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();
        if(a==b && b==c && c==a){
          System.out.println("No");
        }else if(a!=b && b!=c && c!=a){
          System.out.println("No");
        }else{
          System.out.println("Yes");
        }
    }
} import java.util.*; util.* java 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();
        if(a==b && b==c && c==a){
          System.out.println("No");
        }else if(a!=b && b!=c && c!=a){
          System.out.println("No");
        }else{
          System.out.println("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();
        if(a==b && b==c && c==a){
          System.out.println("No");
        }else if(a!=b && b!=c && c!=a){
          System.out.println("No");
        }else{
          System.out.println("Yes");
        }
    } main {
      
      Scanner sc = new Scanner(System.in);
      int a = sc.nextInt();
      int b = sc.nextInt();
      int c = sc.nextInt();
        if(a==b && b==c && c==a){
          System.out.println("No");
        }else if(a!=b && b!=c && c!=a){
          System.out.println("No");
        }else{
          System.out.println("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 if(a==b && b==c && c==a){
          System.out.println("No");
        }else if(a!=b && b!=c && c!=a){
          System.out.println("No");
        }else{
          System.out.println("Yes");
        } a==b && b==c && c==a a==b && b==c && c==a a==b a b b==c b c c==a c a {
          System.out.println("No");
        } System.out.println("No") System.out.println System.out System System.out "No" if(a!=b && b!=c && c!=a){
          System.out.println("No");
        }else{
          System.out.println("Yes");
        } a!=b && b!=c && c!=a a!=b && b!=c && c!=a a!=b a b b!=c b c c!=a c a {
          System.out.println("No");
        } System.out.println("No") System.out.println System.out System System.out "No" {
          System.out.println("Yes");
        } System.out.println("Yes") System.out.println System.out System System.out "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();
        if(a==b && b==c && c==a){
          System.out.println("No");
        }else if(a!=b && b!=c && c!=a){
          System.out.println("No");
        }else{
          System.out.println("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();
        if(a==b && b==c && c==a){
          System.out.println("No");
        }else if(a!=b && b!=c && c!=a){
          System.out.println("No");
        }else{
          System.out.println("Yes");
        }
    }
} Main
import 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();
        if(a==b && b==c && c==a){
          System.out.println("No");
        }else if(a!=b && b!=c && c!=a){
          System.out.println("No");
        }else{
          System.out.println("Yes");
        }
    }
}