import java.util.*;
public class Main{
	static String BeautStr(String s){
		if(s.length()%2 != 0)return "No";
		for(int i=0; i<s.length(); i++){
			int count = 0;
			for(int j=0; j<s.length(); j++){
				if(s.charAt(i)==s.charAt(j))count++;
			}
			if(count %2 != 0)return"No";
		}
		return "Yes";
	}

	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String w = sc.next();
		System.out.println(BeautStr(w));
	}
} import java.util.*; util.* java public class Main{
	static String BeautStr(String s){
		if(s.length()%2 != 0)return "No";
		for(int i=0; i<s.length(); i++){
			int count = 0;
			for(int j=0; j<s.length(); j++){
				if(s.charAt(i)==s.charAt(j))count++;
			}
			if(count %2 != 0)return"No";
		}
		return "Yes";
	}

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

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

	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String w = sc.next();
		System.out.println(BeautStr(w));
	}
} Main
import java.util.*;
public class Main{
	static String BeautStr(String s){
		if(s.length()%2 != 0)return "No";
		for(int i=0; i<s.length(); i++){
			int count = 0;
			for(int j=0; j<s.length(); j++){
				if(s.charAt(i)==s.charAt(j))count++;
			}
			if(count %2 != 0)return"No";
		}
		return "Yes";
	}

	public static void main(String[] args){
		Scanner sc = new Scanner(System.in);
		String w = sc.next();
		System.out.println(BeautStr(w));
	}
}