import java.util.*;

public class Main{

  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);

    int a = Integer.parseInt(sc.next());
    int b = Integer.parseInt(sc.next());
    int c = Integer.parseInt(sc.next());

    if(a == b && b == c){
      System.out.println("No");
    }else if(a == b || b == c || c == a){
      System.out.println("Yes");
    }else{
      System.out.println("No");
    }
  }
} import java.util.*; util.* java public class Main{

  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);

    int a = Integer.parseInt(sc.next());
    int b = Integer.parseInt(sc.next());
    int c = Integer.parseInt(sc.next());

    if(a == b && b == c){
      System.out.println("No");
    }else if(a == b || b == c || c == a){
      System.out.println("Yes");
    }else{
      System.out.println("No");
    }
  }
} Main public static void main(String[] args){
    Scanner sc = new Scanner(System.in);

    int a = Integer.parseInt(sc.next());
    int b = Integer.parseInt(sc.next());
    int c = Integer.parseInt(sc.next());

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

    int a = Integer.parseInt(sc.next());
    int b = Integer.parseInt(sc.next());
    int c = Integer.parseInt(sc.next());

    if(a == b && b == c){
      System.out.println("No");
    }else if(a == b || b == c || c == a){
      System.out.println("Yes");
    }else{
      System.out.println("No");
    }
  } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) int a = Integer.parseInt(sc.next()); a Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int b = Integer.parseInt(sc.next()); b Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc int c = Integer.parseInt(sc.next()); c Integer.parseInt(sc.next()) Integer.parseInt Integer sc.next() sc.next sc if(a == b && b == c){
      System.out.println("No");
    }else if(a == b || b == c || c == a){
      System.out.println("Yes");
    }else{
      System.out.println("No");
    } a == b && b == c a == b a b b == c b c {
      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("Yes");
    }else{
      System.out.println("No");
    } 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("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){
    Scanner sc = new Scanner(System.in);

    int a = Integer.parseInt(sc.next());
    int b = Integer.parseInt(sc.next());
    int c = Integer.parseInt(sc.next());

    if(a == b && b == c){
      System.out.println("No");
    }else if(a == b || b == c || c == a){
      System.out.println("Yes");
    }else{
      System.out.println("No");
    }
  }
} public class Main{

  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);

    int a = Integer.parseInt(sc.next());
    int b = Integer.parseInt(sc.next());
    int c = Integer.parseInt(sc.next());

    if(a == b && b == c){
      System.out.println("No");
    }else if(a == b || b == c || c == a){
      System.out.println("Yes");
    }else{
      System.out.println("No");
    }
  }
} Main
import java.util.*;

public class Main{

  public static void main(String[] args){
    Scanner sc = new Scanner(System.in);

    int a = Integer.parseInt(sc.next());
    int b = Integer.parseInt(sc.next());
    int c = Integer.parseInt(sc.next());

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