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();
    
    String ans;
    
    if((a==b&&b==c)||(a!=b&&b!=c&&c!=a)) ans = "No";
    else ans = "Yes";


    System.out.println(ans);
    
  }
} 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();
    
    String ans;
    
    if((a==b&&b==c)||(a!=b&&b!=c&&c!=a)) ans = "No";
    else ans = "Yes";


    System.out.println(ans);
    
  }
} 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();
    
    String ans;
    
    if((a==b&&b==c)||(a!=b&&b!=c&&c!=a)) ans = "No";
    else ans = "Yes";


    System.out.println(ans);
    
  } main {
    Scanner sc = new Scanner(System.in);
    int a = sc.nextInt();
    int b = sc.nextInt();
    int c = sc.nextInt();
    
    String ans;
    
    if((a==b&&b==c)||(a!=b&&b!=c&&c!=a)) ans = "No";
    else ans = "Yes";


    System.out.println(ans);
    
  } 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 String ans; ans if((a==b&&b==c)||(a!=b&&b!=c&&c!=a)) ans = "No";
    else ans = "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 ans = "No" ans "No" ans = "Yes" ans "Yes" System.out.println(ans) System.out.println System.out System System.out ans 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();
    
    String ans;
    
    if((a==b&&b==c)||(a!=b&&b!=c&&c!=a)) ans = "No";
    else ans = "Yes";


    System.out.println(ans);
    
  }
} 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();
    
    String ans;
    
    if((a==b&&b==c)||(a!=b&&b!=c&&c!=a)) ans = "No";
    else ans = "Yes";


    System.out.println(ans);
    
  }
} 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();
    
    String ans;
    
    if((a==b&&b==c)||(a!=b&&b!=c&&c!=a)) ans = "No";
    else ans = "Yes";


    System.out.println(ans);
    
  }
}