import java.util.*;

public class Main {
	
	public static void main(String[] args) {

		// argumentの取得
		Scanner s = new Scanner(System.in);

		String str = s.next();
                // String型
	        // String x = s.next();
      
        char []alphabet = new char[26];
        char c = 'a';
        for (int i = 0; i < 26; i++){
          alphabet[i] = c++;
          long count = Main.split(str , alphabet[i]);
          if (count % 2 != 0){
            System.out.println("No");
            return;
          }
        }
      
        // 最後まで走ったらYes
        System.out.println("Yes");
	
	} 
    
    public static int split(String str, char target){
        int count = 0;
      
        for (int i=0; i < str.length(); i++){
          if (str.charAt(i) == target)
              count ++;
        }
      
        return count;
    }
  
} import java.util.*; util.* java public class Main {
	
	public static void main(String[] args) {

		// argumentの取得
		Scanner s = new Scanner(System.in);

		String str = s.next();
                // String型
	        // String x = s.next();
      
        char []alphabet = new char[26];
        char c = 'a';
        for (int i = 0; i < 26; i++){
          alphabet[i] = c++;
          long count = Main.split(str , alphabet[i]);
          if (count % 2 != 0){
            System.out.println("No");
            return;
          }
        }
      
        // 最後まで走ったらYes
        System.out.println("Yes");
	
	} 
    
    public static int split(String str, char target){
        int count = 0;
      
        for (int i=0; i < str.length(); i++){
          if (str.charAt(i) == target)
              count ++;
        }
      
        return count;
    }
  
} Main public static void main(String[] args) {

		// argumentの取得
		Scanner s = new Scanner(System.in);

		String str = s.next();
                // String型
	        // String x = s.next();
      
        char []alphabet = new char[26];
        char c = 'a';
        for (int i = 0; i < 26; i++){
          alphabet[i] = c++;
          long count = Main.split(str , alphabet[i]);
          if (count % 2 != 0){
            System.out.println("No");
            return;
          }
        }
      
        // 最後まで走ったらYes
        System.out.println("Yes");
	
	} main {

		// argumentの取得
		Scanner s = new Scanner(System.in);

		String str = s.next();
                // String型
	        // String x = s.next();
      
        char []alphabet = new char[26];
        char c = 'a';
        for (int i = 0; i < 26; i++){
          alphabet[i] = c++;
          long count = Main.split(str , alphabet[i]);
          if (count % 2 != 0){
            System.out.println("No");
            return;
          }
        }
      
        // 最後まで走ったらYes
        System.out.println("Yes");
	
	} Scanner s = new Scanner(System.in); s new Scanner(System.in) String str = s.next(); str s.next() s.next s char []alphabet = new char[26]; alphabet new char[26] 26 char c = 'a'; c 'a' for (int i = 0; i < 26; i++){
          alphabet[i] = c++;
          long count = Main.split(str , alphabet[i]);
          if (count % 2 != 0){
            System.out.println("No");
            return;
          }
        } int i = 0; int i = 0; i 0 i < 26 i 26 i++ i++ i {
          alphabet[i] = c++;
          long count = Main.split(str , alphabet[i]);
          if (count % 2 != 0){
            System.out.println("No");
            return;
          }
        } {
          alphabet[i] = c++;
          long count = Main.split(str , alphabet[i]);
          if (count % 2 != 0){
            System.out.println("No");
            return;
          }
        } alphabet[i] = c++ alphabet[i] alphabet i c++ c long count = Main.split(str , alphabet[i]); count Main.split(str , alphabet[i]) Main.split Main str alphabet[i] alphabet i if (count % 2 != 0){
            System.out.println("No");
            return;
          } count % 2 != 0 count % 2 count 2 0 {
            System.out.println("No");
            return;
          } System.out.println("No") System.out.println System.out System System.out "No" return; System.out.println("Yes") System.out.println System.out System System.out "Yes" String[] args args public static int split(String str, char target){
        int count = 0;
      
        for (int i=0; i < str.length(); i++){
          if (str.charAt(i) == target)
              count ++;
        }
      
        return count;
    } split {
        int count = 0;
      
        for (int i=0; i < str.length(); i++){
          if (str.charAt(i) == target)
              count ++;
        }
      
        return count;
    } int count = 0; count 0 for (int i=0; i < str.length(); i++){
          if (str.charAt(i) == target)
              count ++;
        } int i=0; int i=0; i 0 i < str.length() i str.length() str.length str i++ i++ i {
          if (str.charAt(i) == target)
              count ++;
        } {
          if (str.charAt(i) == target)
              count ++;
        } if (str.charAt(i) == target)
              count ++; str.charAt(i) == target str.charAt(i) str.charAt str i target count ++ count return count; count String str str char target target public class Main {
	
	public static void main(String[] args) {

		// argumentの取得
		Scanner s = new Scanner(System.in);

		String str = s.next();
                // String型
	        // String x = s.next();
      
        char []alphabet = new char[26];
        char c = 'a';
        for (int i = 0; i < 26; i++){
          alphabet[i] = c++;
          long count = Main.split(str , alphabet[i]);
          if (count % 2 != 0){
            System.out.println("No");
            return;
          }
        }
      
        // 最後まで走ったらYes
        System.out.println("Yes");
	
	} 
    
    public static int split(String str, char target){
        int count = 0;
      
        for (int i=0; i < str.length(); i++){
          if (str.charAt(i) == target)
              count ++;
        }
      
        return count;
    }
  
} public class Main {
	
	public static void main(String[] args) {

		// argumentの取得
		Scanner s = new Scanner(System.in);

		String str = s.next();
                // String型
	        // String x = s.next();
      
        char []alphabet = new char[26];
        char c = 'a';
        for (int i = 0; i < 26; i++){
          alphabet[i] = c++;
          long count = Main.split(str , alphabet[i]);
          if (count % 2 != 0){
            System.out.println("No");
            return;
          }
        }
      
        // 最後まで走ったらYes
        System.out.println("Yes");
	
	} 
    
    public static int split(String str, char target){
        int count = 0;
      
        for (int i=0; i < str.length(); i++){
          if (str.charAt(i) == target)
              count ++;
        }
      
        return count;
    }
  
} Main
import java.util.*;

public class Main {
	
	public static void main(String[] args) {

		// argumentの取得
		Scanner s = new Scanner(System.in);

		String str = s.next();
                // String型
	        // String x = s.next();
      
        char []alphabet = new char[26];
        char c = 'a';
        for (int i = 0; i < 26; i++){
          alphabet[i] = c++;
          long count = Main.split(str , alphabet[i]);
          if (count % 2 != 0){
            System.out.println("No");
            return;
          }
        }
      
        // 最後まで走ったらYes
        System.out.println("Yes");
	
	} 
    
    public static int split(String str, char target){
        int count = 0;
      
        for (int i=0; i < str.length(); i++){
          if (str.charAt(i) == target)
              count ++;
        }
      
        return count;
    }
  
}