import java.io.*;
import java.util.*;

public class Main {
    public static PrintWriter out;
    public static FastScanner in;

    private void solve() {
        int[] cnt = new int[26];
        Arrays.fill(cnt,0);

        String txt = in.nextLine();

        for(int i=0;i<txt.length();i++){
            cnt[txt.charAt(i)-'a']++;
        }

        for(int i=0;i<26;i++){
            if(cnt[i]%2 != 0){
                out.print("No");
                return;
            }
        }

        out.print("Yes");
    }

    private void runIO() {
        in = new FastScanner();
        out = new PrintWriter(new BufferedOutputStream(System.out));
        solve();
        out.close();
    }

    private static class FastScanner {
        BufferedReader bufferedReader;
        StringTokenizer stringTokenizer;

        private FastScanner() {
            bufferedReader = new BufferedReader(new InputStreamReader(System.in));
        }

        private String next() {
            if (stringTokenizer == null || !stringTokenizer.hasMoreElements()) {
                try {
                    stringTokenizer = new StringTokenizer(bufferedReader.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            return stringTokenizer.nextToken();
        }

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

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

        private String nextLine() {
            String ret = "";
            try {
                ret = bufferedReader.readLine();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return ret;
        }
    }

    public static void main(String[] args) {
        new Main().runIO();
    }
} import java.io.*; io.* java import java.util.*; util.* java public class Main {
    public static PrintWriter out;
    public static FastScanner in;

    private void solve() {
        int[] cnt = new int[26];
        Arrays.fill(cnt,0);

        String txt = in.nextLine();

        for(int i=0;i<txt.length();i++){
            cnt[txt.charAt(i)-'a']++;
        }

        for(int i=0;i<26;i++){
            if(cnt[i]%2 != 0){
                out.print("No");
                return;
            }
        }

        out.print("Yes");
    }

    private void runIO() {
        in = new FastScanner();
        out = new PrintWriter(new BufferedOutputStream(System.out));
        solve();
        out.close();
    }

    private static class FastScanner {
        BufferedReader bufferedReader;
        StringTokenizer stringTokenizer;

        private FastScanner() {
            bufferedReader = new BufferedReader(new InputStreamReader(System.in));
        }

        private String next() {
            if (stringTokenizer == null || !stringTokenizer.hasMoreElements()) {
                try {
                    stringTokenizer = new StringTokenizer(bufferedReader.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            return stringTokenizer.nextToken();
        }

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

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

        private String nextLine() {
            String ret = "";
            try {
                ret = bufferedReader.readLine();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return ret;
        }
    }

    public static void main(String[] args) {
        new Main().runIO();
    }
} Main public static PrintWriter out; out public static FastScanner in; in private void solve() {
        int[] cnt = new int[26];
        Arrays.fill(cnt,0);

        String txt = in.nextLine();

        for(int i=0;i<txt.length();i++){
            cnt[txt.charAt(i)-'a']++;
        }

        for(int i=0;i<26;i++){
            if(cnt[i]%2 != 0){
                out.print("No");
                return;
            }
        }

        out.print("Yes");
    } solve {
        int[] cnt = new int[26];
        Arrays.fill(cnt,0);

        String txt = in.nextLine();

        for(int i=0;i<txt.length();i++){
            cnt[txt.charAt(i)-'a']++;
        }

        for(int i=0;i<26;i++){
            if(cnt[i]%2 != 0){
                out.print("No");
                return;
            }
        }

        out.print("Yes");
    } int[] cnt = new int[26]; cnt new int[26] 26 Arrays.fill(cnt,0) Arrays.fill Arrays cnt 0 String txt = in.nextLine(); txt in.nextLine() in.nextLine in for(int i=0;i<txt.length();i++){
            cnt[txt.charAt(i)-'a']++;
        } int i=0; int i=0; i 0 i<txt.length() i txt.length() txt.length txt i++ i++ i {
            cnt[txt.charAt(i)-'a']++;
        } {
            cnt[txt.charAt(i)-'a']++;
        } cnt[txt.charAt(i)-'a']++ cnt[txt.charAt(i)-'a'] cnt txt.charAt(i)-'a' txt.charAt(i) txt.charAt txt i 'a' for(int i=0;i<26;i++){
            if(cnt[i]%2 != 0){
                out.print("No");
                return;
            }
        } int i=0; int i=0; i 0 i<26 i 26 i++ i++ i {
            if(cnt[i]%2 != 0){
                out.print("No");
                return;
            }
        } {
            if(cnt[i]%2 != 0){
                out.print("No");
                return;
            }
        } if(cnt[i]%2 != 0){
                out.print("No");
                return;
            } cnt[i]%2 != 0 cnt[i]%2 cnt[i] cnt i 2 0 {
                out.print("No");
                return;
            } out.print("No") out.print out "No" return; out.print("Yes") out.print out "Yes" private void runIO() {
        in = new FastScanner();
        out = new PrintWriter(new BufferedOutputStream(System.out));
        solve();
        out.close();
    } runIO {
        in = new FastScanner();
        out = new PrintWriter(new BufferedOutputStream(System.out));
        solve();
        out.close();
    } in = new FastScanner() in new FastScanner() out = new PrintWriter(new BufferedOutputStream(System.out)) out new PrintWriter(new BufferedOutputStream(System.out)) solve() solve out.close() out.close out public static void main(String[] args) {
        new Main().runIO();
    } main {
        new Main().runIO();
    } new Main().runIO() new Main().runIO new Main() String[] args args private static class FastScanner {
        BufferedReader bufferedReader;
        StringTokenizer stringTokenizer;

        private FastScanner() {
            bufferedReader = new BufferedReader(new InputStreamReader(System.in));
        }

        private String next() {
            if (stringTokenizer == null || !stringTokenizer.hasMoreElements()) {
                try {
                    stringTokenizer = new StringTokenizer(bufferedReader.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            return stringTokenizer.nextToken();
        }

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

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

        private String nextLine() {
            String ret = "";
            try {
                ret = bufferedReader.readLine();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return ret;
        }
    } FastScanner BufferedReader bufferedReader; bufferedReader StringTokenizer stringTokenizer; stringTokenizer private FastScanner() {
            bufferedReader = new BufferedReader(new InputStreamReader(System.in));
        } FastScanner {
            bufferedReader = new BufferedReader(new InputStreamReader(System.in));
        } bufferedReader = new BufferedReader(new InputStreamReader(System.in)) bufferedReader new BufferedReader(new InputStreamReader(System.in)) private String next() {
            if (stringTokenizer == null || !stringTokenizer.hasMoreElements()) {
                try {
                    stringTokenizer = new StringTokenizer(bufferedReader.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            return stringTokenizer.nextToken();
        } next {
            if (stringTokenizer == null || !stringTokenizer.hasMoreElements()) {
                try {
                    stringTokenizer = new StringTokenizer(bufferedReader.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            return stringTokenizer.nextToken();
        } if (stringTokenizer == null || !stringTokenizer.hasMoreElements()) {
                try {
                    stringTokenizer = new StringTokenizer(bufferedReader.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            } stringTokenizer == null || !stringTokenizer.hasMoreElements() stringTokenizer == null stringTokenizer null !stringTokenizer.hasMoreElements() stringTokenizer.hasMoreElements() stringTokenizer.hasMoreElements stringTokenizer {
                try {
                    stringTokenizer = new StringTokenizer(bufferedReader.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            } try {
                    stringTokenizer = new StringTokenizer(bufferedReader.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                } catch (IOException e) {
                    e.printStackTrace();
                } IOException e {
                    e.printStackTrace();
                } e.printStackTrace() e.printStackTrace e {
                    stringTokenizer = new StringTokenizer(bufferedReader.readLine());
                } stringTokenizer = new StringTokenizer(bufferedReader.readLine()) stringTokenizer new StringTokenizer(bufferedReader.readLine()) return stringTokenizer.nextToken(); stringTokenizer.nextToken() stringTokenizer.nextToken stringTokenizer private int nextInt() {
            return Integer.parseInt(next());
        } nextInt {
            return Integer.parseInt(next());
        } return Integer.parseInt(next()); Integer.parseInt(next()) Integer.parseInt Integer next() next private long nextLong() {
            return Long.parseLong(next());
        } nextLong {
            return Long.parseLong(next());
        } return Long.parseLong(next()); Long.parseLong(next()) Long.parseLong Long next() next private String nextLine() {
            String ret = "";
            try {
                ret = bufferedReader.readLine();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return ret;
        } nextLine {
            String ret = "";
            try {
                ret = bufferedReader.readLine();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return ret;
        } String ret = ""; ret "" try {
                ret = bufferedReader.readLine();
            } catch (IOException e) {
                e.printStackTrace();
            } catch (IOException e) {
                e.printStackTrace();
            } IOException e {
                e.printStackTrace();
            } e.printStackTrace() e.printStackTrace e {
                ret = bufferedReader.readLine();
            } ret = bufferedReader.readLine() ret bufferedReader.readLine() bufferedReader.readLine bufferedReader return ret; ret public class Main {
    public static PrintWriter out;
    public static FastScanner in;

    private void solve() {
        int[] cnt = new int[26];
        Arrays.fill(cnt,0);

        String txt = in.nextLine();

        for(int i=0;i<txt.length();i++){
            cnt[txt.charAt(i)-'a']++;
        }

        for(int i=0;i<26;i++){
            if(cnt[i]%2 != 0){
                out.print("No");
                return;
            }
        }

        out.print("Yes");
    }

    private void runIO() {
        in = new FastScanner();
        out = new PrintWriter(new BufferedOutputStream(System.out));
        solve();
        out.close();
    }

    private static class FastScanner {
        BufferedReader bufferedReader;
        StringTokenizer stringTokenizer;

        private FastScanner() {
            bufferedReader = new BufferedReader(new InputStreamReader(System.in));
        }

        private String next() {
            if (stringTokenizer == null || !stringTokenizer.hasMoreElements()) {
                try {
                    stringTokenizer = new StringTokenizer(bufferedReader.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            return stringTokenizer.nextToken();
        }

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

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

        private String nextLine() {
            String ret = "";
            try {
                ret = bufferedReader.readLine();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return ret;
        }
    }

    public static void main(String[] args) {
        new Main().runIO();
    }
} public class Main {
    public static PrintWriter out;
    public static FastScanner in;

    private void solve() {
        int[] cnt = new int[26];
        Arrays.fill(cnt,0);

        String txt = in.nextLine();

        for(int i=0;i<txt.length();i++){
            cnt[txt.charAt(i)-'a']++;
        }

        for(int i=0;i<26;i++){
            if(cnt[i]%2 != 0){
                out.print("No");
                return;
            }
        }

        out.print("Yes");
    }

    private void runIO() {
        in = new FastScanner();
        out = new PrintWriter(new BufferedOutputStream(System.out));
        solve();
        out.close();
    }

    private static class FastScanner {
        BufferedReader bufferedReader;
        StringTokenizer stringTokenizer;

        private FastScanner() {
            bufferedReader = new BufferedReader(new InputStreamReader(System.in));
        }

        private String next() {
            if (stringTokenizer == null || !stringTokenizer.hasMoreElements()) {
                try {
                    stringTokenizer = new StringTokenizer(bufferedReader.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            return stringTokenizer.nextToken();
        }

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

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

        private String nextLine() {
            String ret = "";
            try {
                ret = bufferedReader.readLine();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return ret;
        }
    }

    public static void main(String[] args) {
        new Main().runIO();
    }
} Main
import java.io.*;
import java.util.*;

public class Main {
    public static PrintWriter out;
    public static FastScanner in;

    private void solve() {
        int[] cnt = new int[26];
        Arrays.fill(cnt,0);

        String txt = in.nextLine();

        for(int i=0;i<txt.length();i++){
            cnt[txt.charAt(i)-'a']++;
        }

        for(int i=0;i<26;i++){
            if(cnt[i]%2 != 0){
                out.print("No");
                return;
            }
        }

        out.print("Yes");
    }

    private void runIO() {
        in = new FastScanner();
        out = new PrintWriter(new BufferedOutputStream(System.out));
        solve();
        out.close();
    }

    private static class FastScanner {
        BufferedReader bufferedReader;
        StringTokenizer stringTokenizer;

        private FastScanner() {
            bufferedReader = new BufferedReader(new InputStreamReader(System.in));
        }

        private String next() {
            if (stringTokenizer == null || !stringTokenizer.hasMoreElements()) {
                try {
                    stringTokenizer = new StringTokenizer(bufferedReader.readLine());
                } catch (IOException e) {
                    e.printStackTrace();
                }
            }
            return stringTokenizer.nextToken();
        }

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

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

        private String nextLine() {
            String ret = "";
            try {
                ret = bufferedReader.readLine();
            } catch (IOException e) {
                e.printStackTrace();
            }
            return ret;
        }
    }

    public static void main(String[] args) {
        new Main().runIO();
    }
}
