import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		String w = scan.next();
		int l = w.length();
		String message = "No";
		if(l % 2 == 0) {
			List<String> list = new ArrayList<String>();
			for(int i = 0; i < l; i++) {
				list.add(w.charAt(i) + "");
			}
			for(;(l - list.size()) % 2 == 0 && list.size() != 0;) {
				List<String> set = new ArrayList<>();
				Collections.addAll(set, list.get(0));
				list.removeAll(set);
			}
			if(list.size() == 0) {
				message = "Yes";
			}
		}
		System.out.println(message);
	}
} import java.util.ArrayList; ArrayList java.util import java.util.Collections; Collections java.util import java.util.List; List java.util import java.util.Scanner; Scanner java.util public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		String w = scan.next();
		int l = w.length();
		String message = "No";
		if(l % 2 == 0) {
			List<String> list = new ArrayList<String>();
			for(int i = 0; i < l; i++) {
				list.add(w.charAt(i) + "");
			}
			for(;(l - list.size()) % 2 == 0 && list.size() != 0;) {
				List<String> set = new ArrayList<>();
				Collections.addAll(set, list.get(0));
				list.removeAll(set);
			}
			if(list.size() == 0) {
				message = "Yes";
			}
		}
		System.out.println(message);
	}
} Main public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		String w = scan.next();
		int l = w.length();
		String message = "No";
		if(l % 2 == 0) {
			List<String> list = new ArrayList<String>();
			for(int i = 0; i < l; i++) {
				list.add(w.charAt(i) + "");
			}
			for(;(l - list.size()) % 2 == 0 && list.size() != 0;) {
				List<String> set = new ArrayList<>();
				Collections.addAll(set, list.get(0));
				list.removeAll(set);
			}
			if(list.size() == 0) {
				message = "Yes";
			}
		}
		System.out.println(message);
	} main {
		Scanner scan = new Scanner(System.in);
		String w = scan.next();
		int l = w.length();
		String message = "No";
		if(l % 2 == 0) {
			List<String> list = new ArrayList<String>();
			for(int i = 0; i < l; i++) {
				list.add(w.charAt(i) + "");
			}
			for(;(l - list.size()) % 2 == 0 && list.size() != 0;) {
				List<String> set = new ArrayList<>();
				Collections.addAll(set, list.get(0));
				list.removeAll(set);
			}
			if(list.size() == 0) {
				message = "Yes";
			}
		}
		System.out.println(message);
	} Scanner scan = new Scanner(System.in); scan new Scanner(System.in) String w = scan.next(); w scan.next() scan.next scan int l = w.length(); l w.length() w.length w String message = "No"; message "No" if(l % 2 == 0) {
			List<String> list = new ArrayList<String>();
			for(int i = 0; i < l; i++) {
				list.add(w.charAt(i) + "");
			}
			for(;(l - list.size()) % 2 == 0 && list.size() != 0;) {
				List<String> set = new ArrayList<>();
				Collections.addAll(set, list.get(0));
				list.removeAll(set);
			}
			if(list.size() == 0) {
				message = "Yes";
			}
		} l % 2 == 0 l % 2 l 2 0 {
			List<String> list = new ArrayList<String>();
			for(int i = 0; i < l; i++) {
				list.add(w.charAt(i) + "");
			}
			for(;(l - list.size()) % 2 == 0 && list.size() != 0;) {
				List<String> set = new ArrayList<>();
				Collections.addAll(set, list.get(0));
				list.removeAll(set);
			}
			if(list.size() == 0) {
				message = "Yes";
			}
		} List<String> list = new ArrayList<String>(); list new ArrayList<String>() for(int i = 0; i < l; i++) {
				list.add(w.charAt(i) + "");
			} int i = 0; int i = 0; i 0 i < l i l i++ i++ i {
				list.add(w.charAt(i) + "");
			} {
				list.add(w.charAt(i) + "");
			} list.add(w.charAt(i) + "") list.add list w.charAt(i) + "" w.charAt(i) w.charAt w i "" for(;(l - list.size()) % 2 == 0 && list.size() != 0;) {
				List<String> set = new ArrayList<>();
				Collections.addAll(set, list.get(0));
				list.removeAll(set);
			} ; (l - list.size()) % 2 == 0 && list.size() != 0 (l - list.size()) % 2 == 0 (l - list.size()) % 2 (l - list.size()) l list.size() list.size list 2 0 list.size() != 0 list.size() list.size list 0 {
				List<String> set = new ArrayList<>();
				Collections.addAll(set, list.get(0));
				list.removeAll(set);
			} {
				List<String> set = new ArrayList<>();
				Collections.addAll(set, list.get(0));
				list.removeAll(set);
			} List<String> set = new ArrayList<>(); set new ArrayList<>() Collections.addAll(set, list.get(0)) Collections.addAll Collections set list.get(0) list.get list 0 list.removeAll(set) list.removeAll list set if(list.size() == 0) {
				message = "Yes";
			} list.size() == 0 list.size() list.size list 0 {
				message = "Yes";
			} message = "Yes" message "Yes" System.out.println(message) System.out.println System.out System System.out message String[] args args public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		String w = scan.next();
		int l = w.length();
		String message = "No";
		if(l % 2 == 0) {
			List<String> list = new ArrayList<String>();
			for(int i = 0; i < l; i++) {
				list.add(w.charAt(i) + "");
			}
			for(;(l - list.size()) % 2 == 0 && list.size() != 0;) {
				List<String> set = new ArrayList<>();
				Collections.addAll(set, list.get(0));
				list.removeAll(set);
			}
			if(list.size() == 0) {
				message = "Yes";
			}
		}
		System.out.println(message);
	}
} public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		String w = scan.next();
		int l = w.length();
		String message = "No";
		if(l % 2 == 0) {
			List<String> list = new ArrayList<String>();
			for(int i = 0; i < l; i++) {
				list.add(w.charAt(i) + "");
			}
			for(;(l - list.size()) % 2 == 0 && list.size() != 0;) {
				List<String> set = new ArrayList<>();
				Collections.addAll(set, list.get(0));
				list.removeAll(set);
			}
			if(list.size() == 0) {
				message = "Yes";
			}
		}
		System.out.println(message);
	}
} Main
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
import java.util.Scanner;

public class Main {

	public static void main(String[] args) {
		Scanner scan = new Scanner(System.in);
		String w = scan.next();
		int l = w.length();
		String message = "No";
		if(l % 2 == 0) {
			List<String> list = new ArrayList<String>();
			for(int i = 0; i < l; i++) {
				list.add(w.charAt(i) + "");
			}
			for(;(l - list.size()) % 2 == 0 && list.size() != 0;) {
				List<String> set = new ArrayList<>();
				Collections.addAll(set, list.get(0));
				list.removeAll(set);
			}
			if(list.size() == 0) {
				message = "Yes";
			}
		}
		System.out.println(message);
	}
}