import java.util.*;
public class Main {
    public static void main(String[] args) throws Exception {
        Scanner sc = new Scanner(System.in);
        String S = sc.next();
        int cnt = 0;
        int y = 0;
        int n = 0;
        for(int i = 0;i < S.length();i++){
            for(int j = 0;j < S.length(); j++){
                if(S.charAt(i) == S.charAt(j)){
                    cnt++;
                }
            }
            if(cnt % 2 == 0){
                y++;
            }else{
                n++;
            } 
        }
        if(n == 0){
            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 S = sc.next();
        int cnt = 0;
        int y = 0;
        int n = 0;
        for(int i = 0;i < S.length();i++){
            for(int j = 0;j < S.length(); j++){
                if(S.charAt(i) == S.charAt(j)){
                    cnt++;
                }
            }
            if(cnt % 2 == 0){
                y++;
            }else{
                n++;
            } 
        }
        if(n == 0){
            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 S = sc.next();
        int cnt = 0;
        int y = 0;
        int n = 0;
        for(int i = 0;i < S.length();i++){
            for(int j = 0;j < S.length(); j++){
                if(S.charAt(i) == S.charAt(j)){
                    cnt++;
                }
            }
            if(cnt % 2 == 0){
                y++;
            }else{
                n++;
            } 
        }
        if(n == 0){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
        
    } main {
        Scanner sc = new Scanner(System.in);
        String S = sc.next();
        int cnt = 0;
        int y = 0;
        int n = 0;
        for(int i = 0;i < S.length();i++){
            for(int j = 0;j < S.length(); j++){
                if(S.charAt(i) == S.charAt(j)){
                    cnt++;
                }
            }
            if(cnt % 2 == 0){
                y++;
            }else{
                n++;
            } 
        }
        if(n == 0){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
        
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String S = sc.next(); S sc.next() sc.next sc int cnt = 0; cnt 0 int y = 0; y 0 int n = 0; n 0 for(int i = 0;i < S.length();i++){
            for(int j = 0;j < S.length(); j++){
                if(S.charAt(i) == S.charAt(j)){
                    cnt++;
                }
            }
            if(cnt % 2 == 0){
                y++;
            }else{
                n++;
            } 
        } int i = 0; int i = 0; i 0 i < S.length() i S.length() S.length S i++ i++ i {
            for(int j = 0;j < S.length(); j++){
                if(S.charAt(i) == S.charAt(j)){
                    cnt++;
                }
            }
            if(cnt % 2 == 0){
                y++;
            }else{
                n++;
            } 
        } {
            for(int j = 0;j < S.length(); j++){
                if(S.charAt(i) == S.charAt(j)){
                    cnt++;
                }
            }
            if(cnt % 2 == 0){
                y++;
            }else{
                n++;
            } 
        } for(int j = 0;j < S.length(); j++){
                if(S.charAt(i) == S.charAt(j)){
                    cnt++;
                }
            } int j = 0; int j = 0; j 0 j < S.length() j S.length() S.length S j++ j++ j {
                if(S.charAt(i) == S.charAt(j)){
                    cnt++;
                }
            } {
                if(S.charAt(i) == S.charAt(j)){
                    cnt++;
                }
            } if(S.charAt(i) == S.charAt(j)){
                    cnt++;
                } S.charAt(i) == S.charAt(j) S.charAt(i) S.charAt S i S.charAt(j) S.charAt S j {
                    cnt++;
                } cnt++ cnt if(cnt % 2 == 0){
                y++;
            }else{
                n++;
            } cnt % 2 == 0 cnt % 2 cnt 2 0 {
                y++;
            } y++ y {
                n++;
            } n++ n if(n == 0){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        } n == 0 n 0 {
            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 S = sc.next();
        int cnt = 0;
        int y = 0;
        int n = 0;
        for(int i = 0;i < S.length();i++){
            for(int j = 0;j < S.length(); j++){
                if(S.charAt(i) == S.charAt(j)){
                    cnt++;
                }
            }
            if(cnt % 2 == 0){
                y++;
            }else{
                n++;
            } 
        }
        if(n == 0){
            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 S = sc.next();
        int cnt = 0;
        int y = 0;
        int n = 0;
        for(int i = 0;i < S.length();i++){
            for(int j = 0;j < S.length(); j++){
                if(S.charAt(i) == S.charAt(j)){
                    cnt++;
                }
            }
            if(cnt % 2 == 0){
                y++;
            }else{
                n++;
            } 
        }
        if(n == 0){
            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 S = sc.next();
        int cnt = 0;
        int y = 0;
        int n = 0;
        for(int i = 0;i < S.length();i++){
            for(int j = 0;j < S.length(); j++){
                if(S.charAt(i) == S.charAt(j)){
                    cnt++;
                }
            }
            if(cnt % 2 == 0){
                y++;
            }else{
                n++;
            } 
        }
        if(n == 0){
            System.out.println("Yes");
        }else{
            System.out.println("No");
        }
        
    }
}
