import java.util.*;
public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
      String A = sc.next();
      String B = sc.next();
      String C = sc.next();
      if(A.equals(B)&&(!(B.equals(C)))||B.equals(C)&&(!(C.equals(A)))||
         C.equals(A)&&(!(A.equals(B)))){
        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);
      String A = sc.next();
      String B = sc.next();
      String C = sc.next();
      if(A.equals(B)&&(!(B.equals(C)))||B.equals(C)&&(!(C.equals(A)))||
         C.equals(A)&&(!(A.equals(B)))){
        System.out.println("Yes");
      }else{
        System.out.println("No");
      }
    }
} Main public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
      String A = sc.next();
      String B = sc.next();
      String C = sc.next();
      if(A.equals(B)&&(!(B.equals(C)))||B.equals(C)&&(!(C.equals(A)))||
         C.equals(A)&&(!(A.equals(B)))){
        System.out.println("Yes");
      }else{
        System.out.println("No");
      }
    } main {
		Scanner sc = new Scanner(System.in);
      String A = sc.next();
      String B = sc.next();
      String C = sc.next();
      if(A.equals(B)&&(!(B.equals(C)))||B.equals(C)&&(!(C.equals(A)))||
         C.equals(A)&&(!(A.equals(B)))){
        System.out.println("Yes");
      }else{
        System.out.println("No");
      }
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String A = sc.next(); A sc.next() sc.next sc String B = sc.next(); B sc.next() sc.next sc String C = sc.next(); C sc.next() sc.next sc if(A.equals(B)&&(!(B.equals(C)))||B.equals(C)&&(!(C.equals(A)))||
         C.equals(A)&&(!(A.equals(B)))){
        System.out.println("Yes");
      }else{
        System.out.println("No");
      } A.equals(B)&&(!(B.equals(C)))||B.equals(C)&&(!(C.equals(A)))||
         C.equals(A)&&(!(A.equals(B))) A.equals(B)&&(!(B.equals(C)))||B.equals(C)&&(!(C.equals(A)))||
         C.equals(A)&&(!(A.equals(B))) A.equals(B)&&(!(B.equals(C))) A.equals(B) A.equals A B (!(B.equals(C))) (B.equals(C)) B.equals B C B.equals(C)&&(!(C.equals(A))) B.equals(C) B.equals B C (!(C.equals(A))) (C.equals(A)) C.equals C A C.equals(A)&&(!(A.equals(B))) C.equals(A) C.equals C A (!(A.equals(B))) (A.equals(B)) A.equals A B {
        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);
      String A = sc.next();
      String B = sc.next();
      String C = sc.next();
      if(A.equals(B)&&(!(B.equals(C)))||B.equals(C)&&(!(C.equals(A)))||
         C.equals(A)&&(!(A.equals(B)))){
        System.out.println("Yes");
      }else{
        System.out.println("No");
      }
    }
} public class Main {
	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
      String A = sc.next();
      String B = sc.next();
      String C = sc.next();
      if(A.equals(B)&&(!(B.equals(C)))||B.equals(C)&&(!(C.equals(A)))||
         C.equals(A)&&(!(A.equals(B)))){
        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);
      String A = sc.next();
      String B = sc.next();
      String C = sc.next();
      if(A.equals(B)&&(!(B.equals(C)))||B.equals(C)&&(!(C.equals(A)))||
         C.equals(A)&&(!(A.equals(B)))){
        System.out.println("Yes");
      }else{
        System.out.println("No");
      }
    }
}