import java.util.*;
import java.util.Collections;
import java.util.ArrayList;

public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);

        String w = sc.next();
        int l = w.length();
        int a = 1;
        ArrayList<String> list = new ArrayList<String>();

        for(int i=0; i<l; i++){
            list.add(String.valueOf((char)w.charAt(i)));
        }

        Collections.sort(list);

        if(l==1){
            System.out.println("No");
        }

        for(int i=1; i<l; i++){
            if(list.get(i).equals(list.get(i-1))){
                a += 1;
            }
            else if(!list.get(i).equals(list.get(i-1))){
                if(a%2!=0){
                    System.out.println("No");
                    break;
                }
                a = 1;
            }

            if(i==l-1){
                System.out.println("Yes");
            }
        }
    }
} import java.util.*; util.* java import java.util.Collections; Collections java.util import java.util.ArrayList; ArrayList java.util public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);

        String w = sc.next();
        int l = w.length();
        int a = 1;
        ArrayList<String> list = new ArrayList<String>();

        for(int i=0; i<l; i++){
            list.add(String.valueOf((char)w.charAt(i)));
        }

        Collections.sort(list);

        if(l==1){
            System.out.println("No");
        }

        for(int i=1; i<l; i++){
            if(list.get(i).equals(list.get(i-1))){
                a += 1;
            }
            else if(!list.get(i).equals(list.get(i-1))){
                if(a%2!=0){
                    System.out.println("No");
                    break;
                }
                a = 1;
            }

            if(i==l-1){
                System.out.println("Yes");
            }
        }
    }
} Main public static void main(String[] args){
        Scanner sc = new Scanner(System.in);

        String w = sc.next();
        int l = w.length();
        int a = 1;
        ArrayList<String> list = new ArrayList<String>();

        for(int i=0; i<l; i++){
            list.add(String.valueOf((char)w.charAt(i)));
        }

        Collections.sort(list);

        if(l==1){
            System.out.println("No");
        }

        for(int i=1; i<l; i++){
            if(list.get(i).equals(list.get(i-1))){
                a += 1;
            }
            else if(!list.get(i).equals(list.get(i-1))){
                if(a%2!=0){
                    System.out.println("No");
                    break;
                }
                a = 1;
            }

            if(i==l-1){
                System.out.println("Yes");
            }
        }
    } main {
        Scanner sc = new Scanner(System.in);

        String w = sc.next();
        int l = w.length();
        int a = 1;
        ArrayList<String> list = new ArrayList<String>();

        for(int i=0; i<l; i++){
            list.add(String.valueOf((char)w.charAt(i)));
        }

        Collections.sort(list);

        if(l==1){
            System.out.println("No");
        }

        for(int i=1; i<l; i++){
            if(list.get(i).equals(list.get(i-1))){
                a += 1;
            }
            else if(!list.get(i).equals(list.get(i-1))){
                if(a%2!=0){
                    System.out.println("No");
                    break;
                }
                a = 1;
            }

            if(i==l-1){
                System.out.println("Yes");
            }
        }
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String w = sc.next(); w sc.next() sc.next sc int l = w.length(); l w.length() w.length w int a = 1; a 1 ArrayList<String> list = new ArrayList<String>(); list new ArrayList<String>() for(int i=0; i<l; i++){
            list.add(String.valueOf((char)w.charAt(i)));
        } int i=0; int i=0; i 0 i<l i l i++ i++ i {
            list.add(String.valueOf((char)w.charAt(i)));
        } {
            list.add(String.valueOf((char)w.charAt(i)));
        } list.add(String.valueOf((char)w.charAt(i))) list.add list String.valueOf((char)w.charAt(i)) String.valueOf String (char)w.charAt(i) w.charAt w i Collections.sort(list) Collections.sort Collections list if(l==1){
            System.out.println("No");
        } l==1 l 1 {
            System.out.println("No");
        } System.out.println("No") System.out.println System.out System System.out "No" for(int i=1; i<l; i++){
            if(list.get(i).equals(list.get(i-1))){
                a += 1;
            }
            else if(!list.get(i).equals(list.get(i-1))){
                if(a%2!=0){
                    System.out.println("No");
                    break;
                }
                a = 1;
            }

            if(i==l-1){
                System.out.println("Yes");
            }
        } int i=1; int i=1; i 1 i<l i l i++ i++ i {
            if(list.get(i).equals(list.get(i-1))){
                a += 1;
            }
            else if(!list.get(i).equals(list.get(i-1))){
                if(a%2!=0){
                    System.out.println("No");
                    break;
                }
                a = 1;
            }

            if(i==l-1){
                System.out.println("Yes");
            }
        } {
            if(list.get(i).equals(list.get(i-1))){
                a += 1;
            }
            else if(!list.get(i).equals(list.get(i-1))){
                if(a%2!=0){
                    System.out.println("No");
                    break;
                }
                a = 1;
            }

            if(i==l-1){
                System.out.println("Yes");
            }
        } if(list.get(i).equals(list.get(i-1))){
                a += 1;
            }
            else if(!list.get(i).equals(list.get(i-1))){
                if(a%2!=0){
                    System.out.println("No");
                    break;
                }
                a = 1;
            } list.get(i).equals(list.get(i-1)) list.get(i).equals list.get(i) list.get list i list.get(i-1) list.get list i-1 i 1 {
                a += 1;
            } a += 1 a 1 if(!list.get(i).equals(list.get(i-1))){
                if(a%2!=0){
                    System.out.println("No");
                    break;
                }
                a = 1;
            } !list.get(i).equals(list.get(i-1)) list.get(i).equals(list.get(i-1)) list.get(i).equals list.get(i) list.get list i list.get(i-1) list.get list i-1 i 1 {
                if(a%2!=0){
                    System.out.println("No");
                    break;
                }
                a = 1;
            } if(a%2!=0){
                    System.out.println("No");
                    break;
                } a%2!=0 a%2 a 2 0 {
                    System.out.println("No");
                    break;
                } System.out.println("No") System.out.println System.out System System.out "No" break; a = 1 a 1 if(i==l-1){
                System.out.println("Yes");
            } i==l-1 i l-1 l 1 {
                System.out.println("Yes");
            } 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 w = sc.next();
        int l = w.length();
        int a = 1;
        ArrayList<String> list = new ArrayList<String>();

        for(int i=0; i<l; i++){
            list.add(String.valueOf((char)w.charAt(i)));
        }

        Collections.sort(list);

        if(l==1){
            System.out.println("No");
        }

        for(int i=1; i<l; i++){
            if(list.get(i).equals(list.get(i-1))){
                a += 1;
            }
            else if(!list.get(i).equals(list.get(i-1))){
                if(a%2!=0){
                    System.out.println("No");
                    break;
                }
                a = 1;
            }

            if(i==l-1){
                System.out.println("Yes");
            }
        }
    }
} public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);

        String w = sc.next();
        int l = w.length();
        int a = 1;
        ArrayList<String> list = new ArrayList<String>();

        for(int i=0; i<l; i++){
            list.add(String.valueOf((char)w.charAt(i)));
        }

        Collections.sort(list);

        if(l==1){
            System.out.println("No");
        }

        for(int i=1; i<l; i++){
            if(list.get(i).equals(list.get(i-1))){
                a += 1;
            }
            else if(!list.get(i).equals(list.get(i-1))){
                if(a%2!=0){
                    System.out.println("No");
                    break;
                }
                a = 1;
            }

            if(i==l-1){
                System.out.println("Yes");
            }
        }
    }
} Main
import java.util.*;
import java.util.Collections;
import java.util.ArrayList;

public class Main{
    public static void main(String[] args){
        Scanner sc = new Scanner(System.in);

        String w = sc.next();
        int l = w.length();
        int a = 1;
        ArrayList<String> list = new ArrayList<String>();

        for(int i=0; i<l; i++){
            list.add(String.valueOf((char)w.charAt(i)));
        }

        Collections.sort(list);

        if(l==1){
            System.out.println("No");
        }

        for(int i=1; i<l; i++){
            if(list.get(i).equals(list.get(i-1))){
                a += 1;
            }
            else if(!list.get(i).equals(list.get(i-1))){
                if(a%2!=0){
                    System.out.println("No");
                    break;
                }
                a = 1;
            }

            if(i==l-1){
                System.out.println("Yes");
            }
        }
    }
}