import java.util.Scanner;

/**
 * https://abc044.contest.atcoder.jp/tasks/abc044_b
 */
public class Main {

	public static void main(String[] args) {
		
		Scanner sc = new Scanner(System.in);
		String w = sc.next();
		sc.close();
		
		int[] count = new int[26];
		for(char c:w.toCharArray()){
			count[c-'a']++;
		}
		
		String ans = "Yes";
		for(int c:count){
			if(c%2==1){
				ans = "No";
				break;
			}
		}
		
		System.out.println(ans);

	}

} import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {
		
		Scanner sc = new Scanner(System.in);
		String w = sc.next();
		sc.close();
		
		int[] count = new int[26];
		for(char c:w.toCharArray()){
			count[c-'a']++;
		}
		
		String ans = "Yes";
		for(int c:count){
			if(c%2==1){
				ans = "No";
				break;
			}
		}
		
		System.out.println(ans);

	}

} Main public static void main(String[] args) {
		
		Scanner sc = new Scanner(System.in);
		String w = sc.next();
		sc.close();
		
		int[] count = new int[26];
		for(char c:w.toCharArray()){
			count[c-'a']++;
		}
		
		String ans = "Yes";
		for(int c:count){
			if(c%2==1){
				ans = "No";
				break;
			}
		}
		
		System.out.println(ans);

	} main {
		
		Scanner sc = new Scanner(System.in);
		String w = sc.next();
		sc.close();
		
		int[] count = new int[26];
		for(char c:w.toCharArray()){
			count[c-'a']++;
		}
		
		String ans = "Yes";
		for(int c:count){
			if(c%2==1){
				ans = "No";
				break;
			}
		}
		
		System.out.println(ans);

	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String w = sc.next(); w sc.next() sc.next sc sc.close() sc.close sc int[] count = new int[26]; count new int[26] 26 for(char c:w.toCharArray()){
			count[c-'a']++;
		} char c w.toCharArray() w.toCharArray w {
			count[c-'a']++;
		} {
			count[c-'a']++;
		} count[c-'a']++ count[c-'a'] count c-'a' c 'a' String ans = "Yes"; ans "Yes" for(int c:count){
			if(c%2==1){
				ans = "No";
				break;
			}
		} int c count {
			if(c%2==1){
				ans = "No";
				break;
			}
		} {
			if(c%2==1){
				ans = "No";
				break;
			}
		} if(c%2==1){
				ans = "No";
				break;
			} c%2==1 c%2 c 2 1 {
				ans = "No";
				break;
			} ans = "No" ans "No" break; System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main {

	public static void main(String[] args) {
		
		Scanner sc = new Scanner(System.in);
		String w = sc.next();
		sc.close();
		
		int[] count = new int[26];
		for(char c:w.toCharArray()){
			count[c-'a']++;
		}
		
		String ans = "Yes";
		for(int c:count){
			if(c%2==1){
				ans = "No";
				break;
			}
		}
		
		System.out.println(ans);

	}

} public class Main {

	public static void main(String[] args) {
		
		Scanner sc = new Scanner(System.in);
		String w = sc.next();
		sc.close();
		
		int[] count = new int[26];
		for(char c:w.toCharArray()){
			count[c-'a']++;
		}
		
		String ans = "Yes";
		for(int c:count){
			if(c%2==1){
				ans = "No";
				break;
			}
		}
		
		System.out.println(ans);

	}

} Main
import java.util.Scanner;

/**
 * https://abc044.contest.atcoder.jp/tasks/abc044_b
 */
public class Main {

	public static void main(String[] args) {
		
		Scanner sc = new Scanner(System.in);
		String w = sc.next();
		sc.close();
		
		int[] count = new int[26];
		for(char c:w.toCharArray()){
			count[c-'a']++;
		}
		
		String ans = "Yes";
		for(int c:count){
			if(c%2==1){
				ans = "No";
				break;
			}
		}
		
		System.out.println(ans);

	}

}
