import java.util.*;
public class Main {

	private static Scanner sc;

	public static void main(String[] args) {
		sc = new Scanner(System.in);
		String w =sc.next();
		for(int i=0;i<w.length();i++) {
			int sum=0;
			for(int j=0;j<w.length();j++) {
				if(w.charAt(i)==w.charAt(j)) sum=sum+1;
			}
			if(sum%2!=0) {
				System.out.println("No");
				System.exit(0);
			}
		}
		System.out.println("Yes");

	}

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

	private static Scanner sc;

	public static void main(String[] args) {
		sc = new Scanner(System.in);
		String w =sc.next();
		for(int i=0;i<w.length();i++) {
			int sum=0;
			for(int j=0;j<w.length();j++) {
				if(w.charAt(i)==w.charAt(j)) sum=sum+1;
			}
			if(sum%2!=0) {
				System.out.println("No");
				System.exit(0);
			}
		}
		System.out.println("Yes");

	}

} Main private static Scanner sc; sc public static void main(String[] args) {
		sc = new Scanner(System.in);
		String w =sc.next();
		for(int i=0;i<w.length();i++) {
			int sum=0;
			for(int j=0;j<w.length();j++) {
				if(w.charAt(i)==w.charAt(j)) sum=sum+1;
			}
			if(sum%2!=0) {
				System.out.println("No");
				System.exit(0);
			}
		}
		System.out.println("Yes");

	} main {
		sc = new Scanner(System.in);
		String w =sc.next();
		for(int i=0;i<w.length();i++) {
			int sum=0;
			for(int j=0;j<w.length();j++) {
				if(w.charAt(i)==w.charAt(j)) sum=sum+1;
			}
			if(sum%2!=0) {
				System.out.println("No");
				System.exit(0);
			}
		}
		System.out.println("Yes");

	} sc = new Scanner(System.in) sc new Scanner(System.in) String w =sc.next(); w sc.next() sc.next sc for(int i=0;i<w.length();i++) {
			int sum=0;
			for(int j=0;j<w.length();j++) {
				if(w.charAt(i)==w.charAt(j)) sum=sum+1;
			}
			if(sum%2!=0) {
				System.out.println("No");
				System.exit(0);
			}
		} int i=0; int i=0; i 0 i<w.length() i w.length() w.length w i++ i++ i {
			int sum=0;
			for(int j=0;j<w.length();j++) {
				if(w.charAt(i)==w.charAt(j)) sum=sum+1;
			}
			if(sum%2!=0) {
				System.out.println("No");
				System.exit(0);
			}
		} {
			int sum=0;
			for(int j=0;j<w.length();j++) {
				if(w.charAt(i)==w.charAt(j)) sum=sum+1;
			}
			if(sum%2!=0) {
				System.out.println("No");
				System.exit(0);
			}
		} int sum=0; sum 0 for(int j=0;j<w.length();j++) {
				if(w.charAt(i)==w.charAt(j)) sum=sum+1;
			} int j=0; int j=0; j 0 j<w.length() j w.length() w.length w j++ j++ j {
				if(w.charAt(i)==w.charAt(j)) sum=sum+1;
			} {
				if(w.charAt(i)==w.charAt(j)) sum=sum+1;
			} if(w.charAt(i)==w.charAt(j)) sum=sum+1; w.charAt(i)==w.charAt(j) w.charAt(i) w.charAt w i w.charAt(j) w.charAt w j sum=sum+1 sum sum+1 sum 1 if(sum%2!=0) {
				System.out.println("No");
				System.exit(0);
			} sum%2!=0 sum%2 sum 2 0 {
				System.out.println("No");
				System.exit(0);
			} System.out.println("No") System.out.println System.out System System.out "No" System.exit(0) System.exit System 0 System.out.println("Yes") System.out.println System.out System System.out "Yes" String[] args args public class Main {

	private static Scanner sc;

	public static void main(String[] args) {
		sc = new Scanner(System.in);
		String w =sc.next();
		for(int i=0;i<w.length();i++) {
			int sum=0;
			for(int j=0;j<w.length();j++) {
				if(w.charAt(i)==w.charAt(j)) sum=sum+1;
			}
			if(sum%2!=0) {
				System.out.println("No");
				System.exit(0);
			}
		}
		System.out.println("Yes");

	}

} public class Main {

	private static Scanner sc;

	public static void main(String[] args) {
		sc = new Scanner(System.in);
		String w =sc.next();
		for(int i=0;i<w.length();i++) {
			int sum=0;
			for(int j=0;j<w.length();j++) {
				if(w.charAt(i)==w.charAt(j)) sum=sum+1;
			}
			if(sum%2!=0) {
				System.out.println("No");
				System.exit(0);
			}
		}
		System.out.println("Yes");

	}

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

	private static Scanner sc;

	public static void main(String[] args) {
		sc = new Scanner(System.in);
		String w =sc.next();
		for(int i=0;i<w.length();i++) {
			int sum=0;
			for(int j=0;j<w.length();j++) {
				if(w.charAt(i)==w.charAt(j)) sum=sum+1;
			}
			if(sum%2!=0) {
				System.out.println("No");
				System.exit(0);
			}
		}
		System.out.println("Yes");

	}

}