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