import java.io.*;
import java.util.*;
public class Main {
	
	public static void main(String[] args) {
	
		MyScanner sc = new MyScanner();
		String w=sc.next();
		String ans="Yes";
		int l=w.length();
		for(int i=0;i<l;i++) {
			char x=w.charAt(i);
			int count=0;
			for(int j=0;j<l;j++) {
				if(w.charAt(i)==w.charAt(j)){
					count++;
				}
			}
			if(count%2!=0) {
				ans="No";	
			}
		}
		System.out.println(ans);
	}
	
	public static PrintWriter out;

	public static class MyScanner {
		BufferedReader br;
		StringTokenizer st;

		public MyScanner() {
			br = new BufferedReader(new InputStreamReader(System.in));
		}

		String next() {
			while (st == null || !st.hasMoreElements()) {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
			return st.nextToken();
		}

		int nextInt() {
			return Integer.parseInt(next());
		}

		long nextLong() {
			return Long.parseLong(next());
		}

		double nextDouble() {
			return Double.parseDouble(next());
		}

		String nextLine() {
			String str = "";
			try {
				str = br.readLine();
			} catch (IOException e) {
				e.printStackTrace();
			}
			return str;
		}

	}
	

}


 import java.io.*; io.* java import java.util.*; util.* java public class Main {
	
	public static void main(String[] args) {
	
		MyScanner sc = new MyScanner();
		String w=sc.next();
		String ans="Yes";
		int l=w.length();
		for(int i=0;i<l;i++) {
			char x=w.charAt(i);
			int count=0;
			for(int j=0;j<l;j++) {
				if(w.charAt(i)==w.charAt(j)){
					count++;
				}
			}
			if(count%2!=0) {
				ans="No";	
			}
		}
		System.out.println(ans);
	}
	
	public static PrintWriter out;

	public static class MyScanner {
		BufferedReader br;
		StringTokenizer st;

		public MyScanner() {
			br = new BufferedReader(new InputStreamReader(System.in));
		}

		String next() {
			while (st == null || !st.hasMoreElements()) {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
			return st.nextToken();
		}

		int nextInt() {
			return Integer.parseInt(next());
		}

		long nextLong() {
			return Long.parseLong(next());
		}

		double nextDouble() {
			return Double.parseDouble(next());
		}

		String nextLine() {
			String str = "";
			try {
				str = br.readLine();
			} catch (IOException e) {
				e.printStackTrace();
			}
			return str;
		}

	}
	

} Main public static PrintWriter out; out public static void main(String[] args) {
	
		MyScanner sc = new MyScanner();
		String w=sc.next();
		String ans="Yes";
		int l=w.length();
		for(int i=0;i<l;i++) {
			char x=w.charAt(i);
			int count=0;
			for(int j=0;j<l;j++) {
				if(w.charAt(i)==w.charAt(j)){
					count++;
				}
			}
			if(count%2!=0) {
				ans="No";	
			}
		}
		System.out.println(ans);
	} main {
	
		MyScanner sc = new MyScanner();
		String w=sc.next();
		String ans="Yes";
		int l=w.length();
		for(int i=0;i<l;i++) {
			char x=w.charAt(i);
			int count=0;
			for(int j=0;j<l;j++) {
				if(w.charAt(i)==w.charAt(j)){
					count++;
				}
			}
			if(count%2!=0) {
				ans="No";	
			}
		}
		System.out.println(ans);
	} MyScanner sc = new MyScanner(); sc new MyScanner() String w=sc.next(); w sc.next() sc.next sc String ans="Yes"; ans "Yes" int l=w.length(); l w.length() w.length w for(int i=0;i<l;i++) {
			char x=w.charAt(i);
			int count=0;
			for(int j=0;j<l;j++) {
				if(w.charAt(i)==w.charAt(j)){
					count++;
				}
			}
			if(count%2!=0) {
				ans="No";	
			}
		} int i=0; int i=0; i 0 i<l i l i++ i++ i {
			char x=w.charAt(i);
			int count=0;
			for(int j=0;j<l;j++) {
				if(w.charAt(i)==w.charAt(j)){
					count++;
				}
			}
			if(count%2!=0) {
				ans="No";	
			}
		} {
			char x=w.charAt(i);
			int count=0;
			for(int j=0;j<l;j++) {
				if(w.charAt(i)==w.charAt(j)){
					count++;
				}
			}
			if(count%2!=0) {
				ans="No";	
			}
		} char x=w.charAt(i); x w.charAt(i) w.charAt w i int count=0; count 0 for(int j=0;j<l;j++) {
				if(w.charAt(i)==w.charAt(j)){
					count++;
				}
			} int j=0; int j=0; j 0 j<l j l j++ j++ j {
				if(w.charAt(i)==w.charAt(j)){
					count++;
				}
			} {
				if(w.charAt(i)==w.charAt(j)){
					count++;
				}
			} if(w.charAt(i)==w.charAt(j)){
					count++;
				} w.charAt(i)==w.charAt(j) w.charAt(i) w.charAt w i w.charAt(j) w.charAt w j {
					count++;
				} count++ count if(count%2!=0) {
				ans="No";	
			} count%2!=0 count%2 count 2 0 {
				ans="No";	
			} ans="No" ans "No" System.out.println(ans) System.out.println System.out System System.out ans String[] args args public static class MyScanner {
		BufferedReader br;
		StringTokenizer st;

		public MyScanner() {
			br = new BufferedReader(new InputStreamReader(System.in));
		}

		String next() {
			while (st == null || !st.hasMoreElements()) {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
			return st.nextToken();
		}

		int nextInt() {
			return Integer.parseInt(next());
		}

		long nextLong() {
			return Long.parseLong(next());
		}

		double nextDouble() {
			return Double.parseDouble(next());
		}

		String nextLine() {
			String str = "";
			try {
				str = br.readLine();
			} catch (IOException e) {
				e.printStackTrace();
			}
			return str;
		}

	} MyScanner BufferedReader br; br StringTokenizer st; st public MyScanner() {
			br = new BufferedReader(new InputStreamReader(System.in));
		} MyScanner {
			br = new BufferedReader(new InputStreamReader(System.in));
		} br = new BufferedReader(new InputStreamReader(System.in)) br new BufferedReader(new InputStreamReader(System.in)) String next() {
			while (st == null || !st.hasMoreElements()) {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
			return st.nextToken();
		} next {
			while (st == null || !st.hasMoreElements()) {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
			return st.nextToken();
		} while (st == null || !st.hasMoreElements()) {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			} st == null || !st.hasMoreElements() st == null st null !st.hasMoreElements() st.hasMoreElements() st.hasMoreElements st {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			} try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				} catch (IOException e) {
					e.printStackTrace();
				} IOException e {
					e.printStackTrace();
				} e.printStackTrace() e.printStackTrace e {
					st = new StringTokenizer(br.readLine());
				} st = new StringTokenizer(br.readLine()) st new StringTokenizer(br.readLine()) return st.nextToken(); st.nextToken() st.nextToken st int nextInt() {
			return Integer.parseInt(next());
		} nextInt {
			return Integer.parseInt(next());
		} return Integer.parseInt(next()); Integer.parseInt(next()) Integer.parseInt Integer next() next long nextLong() {
			return Long.parseLong(next());
		} nextLong {
			return Long.parseLong(next());
		} return Long.parseLong(next()); Long.parseLong(next()) Long.parseLong Long next() next double nextDouble() {
			return Double.parseDouble(next());
		} nextDouble {
			return Double.parseDouble(next());
		} return Double.parseDouble(next()); Double.parseDouble(next()) Double.parseDouble Double next() next String nextLine() {
			String str = "";
			try {
				str = br.readLine();
			} catch (IOException e) {
				e.printStackTrace();
			}
			return str;
		} nextLine {
			String str = "";
			try {
				str = br.readLine();
			} catch (IOException e) {
				e.printStackTrace();
			}
			return str;
		} String str = ""; str "" try {
				str = br.readLine();
			} catch (IOException e) {
				e.printStackTrace();
			} catch (IOException e) {
				e.printStackTrace();
			} IOException e {
				e.printStackTrace();
			} e.printStackTrace() e.printStackTrace e {
				str = br.readLine();
			} str = br.readLine() str br.readLine() br.readLine br return str; str public class Main {
	
	public static void main(String[] args) {
	
		MyScanner sc = new MyScanner();
		String w=sc.next();
		String ans="Yes";
		int l=w.length();
		for(int i=0;i<l;i++) {
			char x=w.charAt(i);
			int count=0;
			for(int j=0;j<l;j++) {
				if(w.charAt(i)==w.charAt(j)){
					count++;
				}
			}
			if(count%2!=0) {
				ans="No";	
			}
		}
		System.out.println(ans);
	}
	
	public static PrintWriter out;

	public static class MyScanner {
		BufferedReader br;
		StringTokenizer st;

		public MyScanner() {
			br = new BufferedReader(new InputStreamReader(System.in));
		}

		String next() {
			while (st == null || !st.hasMoreElements()) {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
			return st.nextToken();
		}

		int nextInt() {
			return Integer.parseInt(next());
		}

		long nextLong() {
			return Long.parseLong(next());
		}

		double nextDouble() {
			return Double.parseDouble(next());
		}

		String nextLine() {
			String str = "";
			try {
				str = br.readLine();
			} catch (IOException e) {
				e.printStackTrace();
			}
			return str;
		}

	}
	

} public class Main {
	
	public static void main(String[] args) {
	
		MyScanner sc = new MyScanner();
		String w=sc.next();
		String ans="Yes";
		int l=w.length();
		for(int i=0;i<l;i++) {
			char x=w.charAt(i);
			int count=0;
			for(int j=0;j<l;j++) {
				if(w.charAt(i)==w.charAt(j)){
					count++;
				}
			}
			if(count%2!=0) {
				ans="No";	
			}
		}
		System.out.println(ans);
	}
	
	public static PrintWriter out;

	public static class MyScanner {
		BufferedReader br;
		StringTokenizer st;

		public MyScanner() {
			br = new BufferedReader(new InputStreamReader(System.in));
		}

		String next() {
			while (st == null || !st.hasMoreElements()) {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
			return st.nextToken();
		}

		int nextInt() {
			return Integer.parseInt(next());
		}

		long nextLong() {
			return Long.parseLong(next());
		}

		double nextDouble() {
			return Double.parseDouble(next());
		}

		String nextLine() {
			String str = "";
			try {
				str = br.readLine();
			} catch (IOException e) {
				e.printStackTrace();
			}
			return str;
		}

	}
	

} Main
import java.io.*;
import java.util.*;
public class Main {
	
	public static void main(String[] args) {
	
		MyScanner sc = new MyScanner();
		String w=sc.next();
		String ans="Yes";
		int l=w.length();
		for(int i=0;i<l;i++) {
			char x=w.charAt(i);
			int count=0;
			for(int j=0;j<l;j++) {
				if(w.charAt(i)==w.charAt(j)){
					count++;
				}
			}
			if(count%2!=0) {
				ans="No";	
			}
		}
		System.out.println(ans);
	}
	
	public static PrintWriter out;

	public static class MyScanner {
		BufferedReader br;
		StringTokenizer st;

		public MyScanner() {
			br = new BufferedReader(new InputStreamReader(System.in));
		}

		String next() {
			while (st == null || !st.hasMoreElements()) {
				try {
					st = new StringTokenizer(br.readLine());
				} catch (IOException e) {
					e.printStackTrace();
				}
			}
			return st.nextToken();
		}

		int nextInt() {
			return Integer.parseInt(next());
		}

		long nextLong() {
			return Long.parseLong(next());
		}

		double nextDouble() {
			return Double.parseDouble(next());
		}

		String nextLine() {
			String str = "";
			try {
				str = br.readLine();
			} catch (IOException e) {
				e.printStackTrace();
			}
			return str;
		}

	}
	

}



