import java.util.Scanner;

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

		for(char x: S.toCharArray()){
			int count = 0;
			for(char s: S.toCharArray()){
				if(x == s){
					count++;
				}
			}
			if (count%2==1){
				System.out.println("No");
				return;
			}
		}
		System.out.println("Yes");
		return;
	}
} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String S = sc.next();

		for(char x: S.toCharArray()){
			int count = 0;
			for(char s: S.toCharArray()){
				if(x == s){
					count++;
				}
			}
			if (count%2==1){
				System.out.println("No");
				return;
			}
		}
		System.out.println("Yes");
		return;
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String S = sc.next();

		for(char x: S.toCharArray()){
			int count = 0;
			for(char s: S.toCharArray()){
				if(x == s){
					count++;
				}
			}
			if (count%2==1){
				System.out.println("No");
				return;
			}
		}
		System.out.println("Yes");
		return;
	} main {
		Scanner sc = new Scanner(System.in);
		String S = sc.next();

		for(char x: S.toCharArray()){
			int count = 0;
			for(char s: S.toCharArray()){
				if(x == s){
					count++;
				}
			}
			if (count%2==1){
				System.out.println("No");
				return;
			}
		}
		System.out.println("Yes");
		return;
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String S = sc.next(); S sc.next() sc.next sc for(char x: S.toCharArray()){
			int count = 0;
			for(char s: S.toCharArray()){
				if(x == s){
					count++;
				}
			}
			if (count%2==1){
				System.out.println("No");
				return;
			}
		} char x S.toCharArray() S.toCharArray S {
			int count = 0;
			for(char s: S.toCharArray()){
				if(x == s){
					count++;
				}
			}
			if (count%2==1){
				System.out.println("No");
				return;
			}
		} {
			int count = 0;
			for(char s: S.toCharArray()){
				if(x == s){
					count++;
				}
			}
			if (count%2==1){
				System.out.println("No");
				return;
			}
		} int count = 0; count 0 for(char s: S.toCharArray()){
				if(x == s){
					count++;
				}
			} char s S.toCharArray() S.toCharArray S {
				if(x == s){
					count++;
				}
			} {
				if(x == s){
					count++;
				}
			} if(x == s){
					count++;
				} x == s x s {
					count++;
				} count++ count if (count%2==1){
				System.out.println("No");
				return;
			} count%2==1 count%2 count 2 1 {
				System.out.println("No");
				return;
			} System.out.println("No") System.out.println System.out System System.out "No" return; System.out.println("Yes") System.out.println System.out System System.out "Yes" return; String[] args args public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String S = sc.next();

		for(char x: S.toCharArray()){
			int count = 0;
			for(char s: S.toCharArray()){
				if(x == s){
					count++;
				}
			}
			if (count%2==1){
				System.out.println("No");
				return;
			}
		}
		System.out.println("Yes");
		return;
	}
} public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String S = sc.next();

		for(char x: S.toCharArray()){
			int count = 0;
			for(char s: S.toCharArray()){
				if(x == s){
					count++;
				}
			}
			if (count%2==1){
				System.out.println("No");
				return;
			}
		}
		System.out.println("Yes");
		return;
	}
} Main
import java.util.Scanner;

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

		for(char x: S.toCharArray()){
			int count = 0;
			for(char s: S.toCharArray()){
				if(x == s){
					count++;
				}
			}
			if (count%2==1){
				System.out.println("No");
				return;
			}
		}
		System.out.println("Yes");
		return;
	}
}