import java.util.Scanner;
import java.util.Arrays;

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

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