import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        String w = sc.next();
        String str[] = w.split("");
        Arrays.sort(str);
        boolean ans = true;
        int count = 1;
        for(int i = 0;i<w.length()-1;i++){
            
            if(str[i].equals(str[i+1])){
                
                count++;
                
            }else if(count%2==1){
                
                ans = false;
                break;
                
            }else{
                count = 1;
            }
        }
        if(count%2==1){
            ans = false;
        }
        if(ans) {
            System.out.println("Yes");
        }else {
            System.out.println("No");
        }
        
    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        String w = sc.next();
        String str[] = w.split("");
        Arrays.sort(str);
        boolean ans = true;
        int count = 1;
        for(int i = 0;i<w.length()-1;i++){
            
            if(str[i].equals(str[i+1])){
                
                count++;
                
            }else if(count%2==1){
                
                ans = false;
                break;
                
            }else{
                count = 1;
            }
        }
        if(count%2==1){
            ans = false;
        }
        if(ans) {
            System.out.println("Yes");
        }else {
            System.out.println("No");
        }
        
    }
} Main public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        String w = sc.next();
        String str[] = w.split("");
        Arrays.sort(str);
        boolean ans = true;
        int count = 1;
        for(int i = 0;i<w.length()-1;i++){
            
            if(str[i].equals(str[i+1])){
                
                count++;
                
            }else if(count%2==1){
                
                ans = false;
                break;
                
            }else{
                count = 1;
            }
        }
        if(count%2==1){
            ans = false;
        }
        if(ans) {
            System.out.println("Yes");
        }else {
            System.out.println("No");
        }
        
    } main {
        Scanner sc = new Scanner(System.in);
        String w = sc.next();
        String str[] = w.split("");
        Arrays.sort(str);
        boolean ans = true;
        int count = 1;
        for(int i = 0;i<w.length()-1;i++){
            
            if(str[i].equals(str[i+1])){
                
                count++;
                
            }else if(count%2==1){
                
                ans = false;
                break;
                
            }else{
                count = 1;
            }
        }
        if(count%2==1){
            ans = false;
        }
        if(ans) {
            System.out.println("Yes");
        }else {
            System.out.println("No");
        }
        
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String w = sc.next(); w sc.next() sc.next sc String str[] = w.split(""); str w.split("") w.split w "" Arrays.sort(str) Arrays.sort Arrays str boolean ans = true; ans true int count = 1; count 1 for(int i = 0;i<w.length()-1;i++){
            
            if(str[i].equals(str[i+1])){
                
                count++;
                
            }else if(count%2==1){
                
                ans = false;
                break;
                
            }else{
                count = 1;
            }
        } int i = 0; int i = 0; i 0 i<w.length()-1 i w.length()-1 w.length() w.length w 1 i++ i++ i {
            
            if(str[i].equals(str[i+1])){
                
                count++;
                
            }else if(count%2==1){
                
                ans = false;
                break;
                
            }else{
                count = 1;
            }
        } {
            
            if(str[i].equals(str[i+1])){
                
                count++;
                
            }else if(count%2==1){
                
                ans = false;
                break;
                
            }else{
                count = 1;
            }
        } if(str[i].equals(str[i+1])){
                
                count++;
                
            }else if(count%2==1){
                
                ans = false;
                break;
                
            }else{
                count = 1;
            } str[i].equals(str[i+1]) str[i].equals str[i] str i str[i+1] str i+1 i 1 {
                
                count++;
                
            } count++ count if(count%2==1){
                
                ans = false;
                break;
                
            }else{
                count = 1;
            } count%2==1 count%2 count 2 1 {
                
                ans = false;
                break;
                
            } ans = false ans false break; {
                count = 1;
            } count = 1 count 1 if(count%2==1){
            ans = false;
        } count%2==1 count%2 count 2 1 {
            ans = false;
        } ans = false ans false if(ans) {
            System.out.println("Yes");
        }else {
            System.out.println("No");
        } ans {
            System.out.println("Yes");
        } System.out.println("Yes") System.out.println System.out System System.out "Yes" {
            System.out.println("No");
        } 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) throws Exception {
        Scanner sc = new Scanner(System.in);
        String w = sc.next();
        String str[] = w.split("");
        Arrays.sort(str);
        boolean ans = true;
        int count = 1;
        for(int i = 0;i<w.length()-1;i++){
            
            if(str[i].equals(str[i+1])){
                
                count++;
                
            }else if(count%2==1){
                
                ans = false;
                break;
                
            }else{
                count = 1;
            }
        }
        if(count%2==1){
            ans = false;
        }
        if(ans) {
            System.out.println("Yes");
        }else {
            System.out.println("No");
        }
        
    }
} public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        String w = sc.next();
        String str[] = w.split("");
        Arrays.sort(str);
        boolean ans = true;
        int count = 1;
        for(int i = 0;i<w.length()-1;i++){
            
            if(str[i].equals(str[i+1])){
                
                count++;
                
            }else if(count%2==1){
                
                ans = false;
                break;
                
            }else{
                count = 1;
            }
        }
        if(count%2==1){
            ans = false;
        }
        if(ans) {
            System.out.println("Yes");
        }else {
            System.out.println("No");
        }
        
    }
} Main
import java.util.*;

public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        String w = sc.next();
        String str[] = w.split("");
        Arrays.sort(str);
        boolean ans = true;
        int count = 1;
        for(int i = 0;i<w.length()-1;i++){
            
            if(str[i].equals(str[i+1])){
                
                count++;
                
            }else if(count%2==1){
                
                ans = false;
                break;
                
            }else{
                count = 1;
            }
        }
        if(count%2==1){
            ans = false;
        }
        if(ans) {
            System.out.println("Yes");
        }else {
            System.out.println("No");
        }
        
    }
}
