import java.util.*;
public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String w = sc.next();
		int i, j, flag = 0;
		for(i = 0; i < w.length(); i++){
			int cnt = 0;
			for(j = 0; j < w.length(); j++){
				if(w.charAt(i) == w.charAt(j)){
					cnt++;
				}
			}
			if(cnt%2 != 0){
				flag = 1;
				System.out.println("No");
				break;
			}
		}
		if(flag == 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 w = sc.next();
		int i, j, flag = 0;
		for(i = 0; i < w.length(); i++){
			int cnt = 0;
			for(j = 0; j < w.length(); j++){
				if(w.charAt(i) == w.charAt(j)){
					cnt++;
				}
			}
			if(cnt%2 != 0){
				flag = 1;
				System.out.println("No");
				break;
			}
		}
		if(flag == 0)System.out.println("Yes");
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String w = sc.next();
		int i, j, flag = 0;
		for(i = 0; i < w.length(); i++){
			int cnt = 0;
			for(j = 0; j < w.length(); j++){
				if(w.charAt(i) == w.charAt(j)){
					cnt++;
				}
			}
			if(cnt%2 != 0){
				flag = 1;
				System.out.println("No");
				break;
			}
		}
		if(flag == 0)System.out.println("Yes");
	} main {
		Scanner sc = new Scanner(System.in);
		String w = sc.next();
		int i, j, flag = 0;
		for(i = 0; i < w.length(); i++){
			int cnt = 0;
			for(j = 0; j < w.length(); j++){
				if(w.charAt(i) == w.charAt(j)){
					cnt++;
				}
			}
			if(cnt%2 != 0){
				flag = 1;
				System.out.println("No");
				break;
			}
		}
		if(flag == 0)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 i i j j flag = 0; flag 0 for(i = 0; i < w.length(); i++){
			int cnt = 0;
			for(j = 0; j < w.length(); j++){
				if(w.charAt(i) == w.charAt(j)){
					cnt++;
				}
			}
			if(cnt%2 != 0){
				flag = 1;
				System.out.println("No");
				break;
			}
		} i = 0; i = 0 i 0 i < w.length() i w.length() w.length w i++ i++ i {
			int cnt = 0;
			for(j = 0; j < w.length(); j++){
				if(w.charAt(i) == w.charAt(j)){
					cnt++;
				}
			}
			if(cnt%2 != 0){
				flag = 1;
				System.out.println("No");
				break;
			}
		} {
			int cnt = 0;
			for(j = 0; j < w.length(); j++){
				if(w.charAt(i) == w.charAt(j)){
					cnt++;
				}
			}
			if(cnt%2 != 0){
				flag = 1;
				System.out.println("No");
				break;
			}
		} int cnt = 0; cnt 0 for(j = 0; j < w.length(); j++){
				if(w.charAt(i) == w.charAt(j)){
					cnt++;
				}
			} j = 0; j = 0 j 0 j < w.length() j w.length() w.length w j++ j++ j {
				if(w.charAt(i) == w.charAt(j)){
					cnt++;
				}
			} {
				if(w.charAt(i) == w.charAt(j)){
					cnt++;
				}
			} if(w.charAt(i) == w.charAt(j)){
					cnt++;
				} w.charAt(i) == w.charAt(j) w.charAt(i) w.charAt w i w.charAt(j) w.charAt w j {
					cnt++;
				} cnt++ cnt if(cnt%2 != 0){
				flag = 1;
				System.out.println("No");
				break;
			} cnt%2 != 0 cnt%2 cnt 2 0 {
				flag = 1;
				System.out.println("No");
				break;
			} flag = 1 flag 1 System.out.println("No") System.out.println System.out System System.out "No" break; if(flag == 0)System.out.println("Yes"); flag == 0 flag 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 w = sc.next();
		int i, j, flag = 0;
		for(i = 0; i < w.length(); i++){
			int cnt = 0;
			for(j = 0; j < w.length(); j++){
				if(w.charAt(i) == w.charAt(j)){
					cnt++;
				}
			}
			if(cnt%2 != 0){
				flag = 1;
				System.out.println("No");
				break;
			}
		}
		if(flag == 0)System.out.println("Yes");
	}
} public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String w = sc.next();
		int i, j, flag = 0;
		for(i = 0; i < w.length(); i++){
			int cnt = 0;
			for(j = 0; j < w.length(); j++){
				if(w.charAt(i) == w.charAt(j)){
					cnt++;
				}
			}
			if(cnt%2 != 0){
				flag = 1;
				System.out.println("No");
				break;
			}
		}
		if(flag == 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 w = sc.next();
		int i, j, flag = 0;
		for(i = 0; i < w.length(); i++){
			int cnt = 0;
			for(j = 0; j < w.length(); j++){
				if(w.charAt(i) == w.charAt(j)){
					cnt++;
				}
			}
			if(cnt%2 != 0){
				flag = 1;
				System.out.println("No");
				break;
			}
		}
		if(flag == 0)System.out.println("Yes");
	}
}