import java.util.Scanner;

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(); 
    if(a == b && b == c && c == a){
      System.out.println("No");
      System.exit(0);
    }
    if(a == b || b == c || c == a){
      System.out.println("Yes");
      System.exit(0);      
    }
      System.out.println("No");    
  }
} import java.util.Scanner; Scanner 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(); 
    if(a == b && b == c && c == a){
      System.out.println("No");
      System.exit(0);
    }
    if(a == b || b == c || c == a){
      System.out.println("Yes");
      System.exit(0);      
    }
      System.out.println("No");    
  }
} 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(); 
    if(a == b && b == c && c == a){
      System.out.println("No");
      System.exit(0);
    }
    if(a == b || b == c || c == a){
      System.out.println("Yes");
      System.exit(0);      
    }
      System.out.println("No");    
  } main {
    Scanner sc = new Scanner(System.in);
    int a = sc.nextInt();
    int b = sc.nextInt();
    int c = sc.nextInt(); 
    if(a == b && b == c && c == a){
      System.out.println("No");
      System.exit(0);
    }
    if(a == b || b == c || c == a){
      System.out.println("Yes");
      System.exit(0);      
    }
      System.out.println("No");    
  } 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 && b == c && c == a){
      System.out.println("No");
      System.exit(0);
    } 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.exit(0);
    } System.out.println("No") System.out.println System.out System System.out "No" System.exit(0) System.exit System 0 if(a == b || b == c || c == a){
      System.out.println("Yes");
      System.exit(0);      
    } 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.exit(0);      
    } System.out.println("Yes") System.out.println System.out System System.out "Yes" System.exit(0) System.exit System 0 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 = sc.nextInt();
    int b = sc.nextInt();
    int c = sc.nextInt(); 
    if(a == b && b == c && c == a){
      System.out.println("No");
      System.exit(0);
    }
    if(a == b || b == c || c == a){
      System.out.println("Yes");
      System.exit(0);      
    }
      System.out.println("No");    
  }
} 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(); 
    if(a == b && b == c && c == a){
      System.out.println("No");
      System.exit(0);
    }
    if(a == b || b == c || c == a){
      System.out.println("Yes");
      System.exit(0);      
    }
      System.out.println("No");    
  }
} Main
import java.util.Scanner;

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(); 
    if(a == b && b == c && c == a){
      System.out.println("No");
      System.exit(0);
    }
    if(a == b || b == c || c == a){
      System.out.println("Yes");
      System.exit(0);      
    }
      System.out.println("No");    
  }
}