import java.util.*;
public class Main{
	public static void main(String[] args){
    	Scanner sc = new Scanner(System.in);
      String s = sc.next();
      int count = 0;
      for(char c = 'a';c <= 'z';c++){
      	for(int i = 0;i < s.length();i++){
        	if(s.charAt(i)==c)count++;
        }
        if(count%2==1){
        	System.out.println("No");
            return;
        }
        count = 0;
      }
      System.out.println("Yes");
    }
} import java.util.*; util.* java public class Main{
	public static void main(String[] args){
    	Scanner sc = new Scanner(System.in);
      String s = sc.next();
      int count = 0;
      for(char c = 'a';c <= 'z';c++){
      	for(int i = 0;i < s.length();i++){
        	if(s.charAt(i)==c)count++;
        }
        if(count%2==1){
        	System.out.println("No");
            return;
        }
        count = 0;
      }
      System.out.println("Yes");
    }
} Main public static void main(String[] args){
    	Scanner sc = new Scanner(System.in);
      String s = sc.next();
      int count = 0;
      for(char c = 'a';c <= 'z';c++){
      	for(int i = 0;i < s.length();i++){
        	if(s.charAt(i)==c)count++;
        }
        if(count%2==1){
        	System.out.println("No");
            return;
        }
        count = 0;
      }
      System.out.println("Yes");
    } main {
    	Scanner sc = new Scanner(System.in);
      String s = sc.next();
      int count = 0;
      for(char c = 'a';c <= 'z';c++){
      	for(int i = 0;i < s.length();i++){
        	if(s.charAt(i)==c)count++;
        }
        if(count%2==1){
        	System.out.println("No");
            return;
        }
        count = 0;
      }
      System.out.println("Yes");
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String s = sc.next(); s sc.next() sc.next sc int count = 0; count 0 for(char c = 'a';c <= 'z';c++){
      	for(int i = 0;i < s.length();i++){
        	if(s.charAt(i)==c)count++;
        }
        if(count%2==1){
        	System.out.println("No");
            return;
        }
        count = 0;
      } char c = 'a'; char c = 'a'; c 'a' c <= 'z' c 'z' c++ c++ c {
      	for(int i = 0;i < s.length();i++){
        	if(s.charAt(i)==c)count++;
        }
        if(count%2==1){
        	System.out.println("No");
            return;
        }
        count = 0;
      } {
      	for(int i = 0;i < s.length();i++){
        	if(s.charAt(i)==c)count++;
        }
        if(count%2==1){
        	System.out.println("No");
            return;
        }
        count = 0;
      } for(int i = 0;i < s.length();i++){
        	if(s.charAt(i)==c)count++;
        } int i = 0; int i = 0; i 0 i < s.length() i s.length() s.length s i++ i++ i {
        	if(s.charAt(i)==c)count++;
        } {
        	if(s.charAt(i)==c)count++;
        } if(s.charAt(i)==c)count++; s.charAt(i)==c s.charAt(i) s.charAt s i c count++ count if(count%2==1){
        	System.out.println("No");
            return;
        } count%2==1 count%2 count 2 1 {
        	System.out.println("No");
            return;
        } System.out.println("No") System.out.println System.out System System.out "No" return; count = 0 count 0 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);
      String s = sc.next();
      int count = 0;
      for(char c = 'a';c <= 'z';c++){
      	for(int i = 0;i < s.length();i++){
        	if(s.charAt(i)==c)count++;
        }
        if(count%2==1){
        	System.out.println("No");
            return;
        }
        count = 0;
      }
      System.out.println("Yes");
    }
} public class Main{
	public static void main(String[] args){
    	Scanner sc = new Scanner(System.in);
      String s = sc.next();
      int count = 0;
      for(char c = 'a';c <= 'z';c++){
      	for(int i = 0;i < s.length();i++){
        	if(s.charAt(i)==c)count++;
        }
        if(count%2==1){
        	System.out.println("No");
            return;
        }
        count = 0;
      }
      System.out.println("Yes");
    }
} Main
import java.util.*;
public class Main{
	public static void main(String[] args){
    	Scanner sc = new Scanner(System.in);
      String s = sc.next();
      int count = 0;
      for(char c = 'a';c <= 'z';c++){
      	for(int i = 0;i < s.length();i++){
        	if(s.charAt(i)==c)count++;
        }
        if(count%2==1){
        	System.out.println("No");
            return;
        }
        count = 0;
      }
      System.out.println("Yes");
    }
}