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