import java.util.Scanner;

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

		String s = sc.next();

		while (!s.equals("")) {
			Character c = s.charAt(0);
			int count = 0;
			for (int i = 0; i < s.length(); i++) {
				if (s.charAt(i) == c.charValue()) {
					count++;
				}
			}
			if (count % 2 == 1) {
				System.out.println("No");
				sc.close();
				return;
			}
			s = s.replaceAll(c.toString(), "");
		}

		System.out.println("Yes");
		sc.close();
	}
}
 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();

		while (!s.equals("")) {
			Character c = s.charAt(0);
			int count = 0;
			for (int i = 0; i < s.length(); i++) {
				if (s.charAt(i) == c.charValue()) {
					count++;
				}
			}
			if (count % 2 == 1) {
				System.out.println("No");
				sc.close();
				return;
			}
			s = s.replaceAll(c.toString(), "");
		}

		System.out.println("Yes");
		sc.close();
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		String s = sc.next();

		while (!s.equals("")) {
			Character c = s.charAt(0);
			int count = 0;
			for (int i = 0; i < s.length(); i++) {
				if (s.charAt(i) == c.charValue()) {
					count++;
				}
			}
			if (count % 2 == 1) {
				System.out.println("No");
				sc.close();
				return;
			}
			s = s.replaceAll(c.toString(), "");
		}

		System.out.println("Yes");
		sc.close();
	} main {
		Scanner sc = new Scanner(System.in);

		String s = sc.next();

		while (!s.equals("")) {
			Character c = s.charAt(0);
			int count = 0;
			for (int i = 0; i < s.length(); i++) {
				if (s.charAt(i) == c.charValue()) {
					count++;
				}
			}
			if (count % 2 == 1) {
				System.out.println("No");
				sc.close();
				return;
			}
			s = s.replaceAll(c.toString(), "");
		}

		System.out.println("Yes");
		sc.close();
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String s = sc.next(); s sc.next() sc.next sc while (!s.equals("")) {
			Character c = s.charAt(0);
			int count = 0;
			for (int i = 0; i < s.length(); i++) {
				if (s.charAt(i) == c.charValue()) {
					count++;
				}
			}
			if (count % 2 == 1) {
				System.out.println("No");
				sc.close();
				return;
			}
			s = s.replaceAll(c.toString(), "");
		} !s.equals("") s.equals("") s.equals s "" {
			Character c = s.charAt(0);
			int count = 0;
			for (int i = 0; i < s.length(); i++) {
				if (s.charAt(i) == c.charValue()) {
					count++;
				}
			}
			if (count % 2 == 1) {
				System.out.println("No");
				sc.close();
				return;
			}
			s = s.replaceAll(c.toString(), "");
		} Character c = s.charAt(0); c s.charAt(0) s.charAt s 0 int count = 0; count 0 for (int i = 0; i < s.length(); i++) {
				if (s.charAt(i) == c.charValue()) {
					count++;
				}
			} int i = 0; int i = 0; i 0 i < s.length() i s.length() s.length s i++ i++ i {
				if (s.charAt(i) == c.charValue()) {
					count++;
				}
			} {
				if (s.charAt(i) == c.charValue()) {
					count++;
				}
			} if (s.charAt(i) == c.charValue()) {
					count++;
				} s.charAt(i) == c.charValue() s.charAt(i) s.charAt s i c.charValue() c.charValue c {
					count++;
				} count++ count if (count % 2 == 1) {
				System.out.println("No");
				sc.close();
				return;
			} count % 2 == 1 count % 2 count 2 1 {
				System.out.println("No");
				sc.close();
				return;
			} System.out.println("No") System.out.println System.out System System.out "No" sc.close() sc.close sc return; s = s.replaceAll(c.toString(), "") s s.replaceAll(c.toString(), "") s.replaceAll s c.toString() c.toString c "" System.out.println("Yes") System.out.println System.out System System.out "Yes" sc.close() sc.close sc String[] args args public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		String s = sc.next();

		while (!s.equals("")) {
			Character c = s.charAt(0);
			int count = 0;
			for (int i = 0; i < s.length(); i++) {
				if (s.charAt(i) == c.charValue()) {
					count++;
				}
			}
			if (count % 2 == 1) {
				System.out.println("No");
				sc.close();
				return;
			}
			s = s.replaceAll(c.toString(), "");
		}

		System.out.println("Yes");
		sc.close();
	}
} public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		String s = sc.next();

		while (!s.equals("")) {
			Character c = s.charAt(0);
			int count = 0;
			for (int i = 0; i < s.length(); i++) {
				if (s.charAt(i) == c.charValue()) {
					count++;
				}
			}
			if (count % 2 == 1) {
				System.out.println("No");
				sc.close();
				return;
			}
			s = s.replaceAll(c.toString(), "");
		}

		System.out.println("Yes");
		sc.close();
	}
} Main
import java.util.Scanner;

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

		String s = sc.next();

		while (!s.equals("")) {
			Character c = s.charAt(0);
			int count = 0;
			for (int i = 0; i < s.length(); i++) {
				if (s.charAt(i) == c.charValue()) {
					count++;
				}
			}
			if (count % 2 == 1) {
				System.out.println("No");
				sc.close();
				return;
			}
			s = s.replaceAll(c.toString(), "");
		}

		System.out.println("Yes");
		sc.close();
	}
}

