import java.io.*;
import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        PrintWriter out = new PrintWriter(System.out);

        char[] ch = sc.next().toCharArray();
        final int N = ch.length;
        int[] ar = new int['z' + 1]; // 'z' == 122
        String ans = "Yes";
        
        for (int i = 0; i < N; i++) {
            int ascii = ch[i];
            ar[ascii]++;
        }
        for (int i = 'a'; i <= 'z'; i++) { // 'a' == 97
           if (ar[i] % 2 != 0)  ans = "No";
        }
        
        out.println(ans);
        
        out.flush();
    }
} import java.io.*; io.* java import java.util.*; util.* java public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        PrintWriter out = new PrintWriter(System.out);

        char[] ch = sc.next().toCharArray();
        final int N = ch.length;
        int[] ar = new int['z' + 1]; // 'z' == 122
        String ans = "Yes";
        
        for (int i = 0; i < N; i++) {
            int ascii = ch[i];
            ar[ascii]++;
        }
        for (int i = 'a'; i <= 'z'; i++) { // 'a' == 97
           if (ar[i] % 2 != 0)  ans = "No";
        }
        
        out.println(ans);
        
        out.flush();
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        PrintWriter out = new PrintWriter(System.out);

        char[] ch = sc.next().toCharArray();
        final int N = ch.length;
        int[] ar = new int['z' + 1]; // 'z' == 122
        String ans = "Yes";
        
        for (int i = 0; i < N; i++) {
            int ascii = ch[i];
            ar[ascii]++;
        }
        for (int i = 'a'; i <= 'z'; i++) { // 'a' == 97
           if (ar[i] % 2 != 0)  ans = "No";
        }
        
        out.println(ans);
        
        out.flush();
    } main {
        Scanner sc = new Scanner(System.in);
        PrintWriter out = new PrintWriter(System.out);

        char[] ch = sc.next().toCharArray();
        final int N = ch.length;
        int[] ar = new int['z' + 1]; // 'z' == 122
        String ans = "Yes";
        
        for (int i = 0; i < N; i++) {
            int ascii = ch[i];
            ar[ascii]++;
        }
        for (int i = 'a'; i <= 'z'; i++) { // 'a' == 97
           if (ar[i] % 2 != 0)  ans = "No";
        }
        
        out.println(ans);
        
        out.flush();
    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) PrintWriter out = new PrintWriter(System.out); out new PrintWriter(System.out) char[] ch = sc.next().toCharArray(); ch sc.next().toCharArray() sc.next().toCharArray sc.next() sc.next sc final int N = ch.length; N ch.length ch ch.length int[] ar = new int['z' + 1]; ar new int['z' + 1] 'z' + 1 'z' 1 String ans = "Yes"; ans "Yes" for (int i = 0; i < N; i++) {
            int ascii = ch[i];
            ar[ascii]++;
        } int i = 0; int i = 0; i 0 i < N i N i++ i++ i {
            int ascii = ch[i];
            ar[ascii]++;
        } {
            int ascii = ch[i];
            ar[ascii]++;
        } int ascii = ch[i]; ascii ch[i] ch i ar[ascii]++ ar[ascii] ar ascii for (int i = 'a'; i <= 'z'; i++) { // 'a' == 97
           if (ar[i] % 2 != 0)  ans = "No";
        } int i = 'a'; int i = 'a'; i 'a' i <= 'z' i 'z' i++ i++ i { // 'a' == 97
           if (ar[i] % 2 != 0)  ans = "No";
        } { // 'a' == 97
           if (ar[i] % 2 != 0)  ans = "No";
        } if (ar[i] % 2 != 0)  ans = "No"; ar[i] % 2 != 0 ar[i] % 2 ar[i] ar i 2 0 ans = "No" ans "No" out.println(ans) out.println out ans out.flush() out.flush out String[] args args public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        PrintWriter out = new PrintWriter(System.out);

        char[] ch = sc.next().toCharArray();
        final int N = ch.length;
        int[] ar = new int['z' + 1]; // 'z' == 122
        String ans = "Yes";
        
        for (int i = 0; i < N; i++) {
            int ascii = ch[i];
            ar[ascii]++;
        }
        for (int i = 'a'; i <= 'z'; i++) { // 'a' == 97
           if (ar[i] % 2 != 0)  ans = "No";
        }
        
        out.println(ans);
        
        out.flush();
    }
} public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        PrintWriter out = new PrintWriter(System.out);

        char[] ch = sc.next().toCharArray();
        final int N = ch.length;
        int[] ar = new int['z' + 1]; // 'z' == 122
        String ans = "Yes";
        
        for (int i = 0; i < N; i++) {
            int ascii = ch[i];
            ar[ascii]++;
        }
        for (int i = 'a'; i <= 'z'; i++) { // 'a' == 97
           if (ar[i] % 2 != 0)  ans = "No";
        }
        
        out.println(ans);
        
        out.flush();
    }
} Main
import java.io.*;
import java.util.*;
public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        PrintWriter out = new PrintWriter(System.out);

        char[] ch = sc.next().toCharArray();
        final int N = ch.length;
        int[] ar = new int['z' + 1]; // 'z' == 122
        String ans = "Yes";
        
        for (int i = 0; i < N; i++) {
            int ascii = ch[i];
            ar[ascii]++;
        }
        for (int i = 'a'; i <= 'z'; i++) { // 'a' == 97
           if (ar[i] % 2 != 0)  ans = "No";
        }
        
        out.println(ans);
        
        out.flush();
    }
}