import java.util.*;

public class Main {
  public static void main (String[] args) {
    Scanner sc = new Scanner(System.in);

    String w = sc.next();

    String ans = "Yes";
    for (int i = 0; i < w.length(); i++) {
      String a = w.substring(i, i + 1);
      int cnt = 0;
      for (int j = 0; j < w.length(); j++) {
        String b = w.substring(j, j + 1);
        if (a.equals(b)) cnt++;
      }
      if (cnt % 2 != 0) {
        ans = "No";
        break;
      }
    }

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

    String w = sc.next();

    String ans = "Yes";
    for (int i = 0; i < w.length(); i++) {
      String a = w.substring(i, i + 1);
      int cnt = 0;
      for (int j = 0; j < w.length(); j++) {
        String b = w.substring(j, j + 1);
        if (a.equals(b)) cnt++;
      }
      if (cnt % 2 != 0) {
        ans = "No";
        break;
      }
    }

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

    String w = sc.next();

    String ans = "Yes";
    for (int i = 0; i < w.length(); i++) {
      String a = w.substring(i, i + 1);
      int cnt = 0;
      for (int j = 0; j < w.length(); j++) {
        String b = w.substring(j, j + 1);
        if (a.equals(b)) cnt++;
      }
      if (cnt % 2 != 0) {
        ans = "No";
        break;
      }
    }

    System.out.println(ans);
  } main {
    Scanner sc = new Scanner(System.in);

    String w = sc.next();

    String ans = "Yes";
    for (int i = 0; i < w.length(); i++) {
      String a = w.substring(i, i + 1);
      int cnt = 0;
      for (int j = 0; j < w.length(); j++) {
        String b = w.substring(j, j + 1);
        if (a.equals(b)) cnt++;
      }
      if (cnt % 2 != 0) {
        ans = "No";
        break;
      }
    }

    System.out.println(ans);
  } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String w = sc.next(); w sc.next() sc.next sc String ans = "Yes"; ans "Yes" for (int i = 0; i < w.length(); i++) {
      String a = w.substring(i, i + 1);
      int cnt = 0;
      for (int j = 0; j < w.length(); j++) {
        String b = w.substring(j, j + 1);
        if (a.equals(b)) cnt++;
      }
      if (cnt % 2 != 0) {
        ans = "No";
        break;
      }
    } int i = 0; int i = 0; i 0 i < w.length() i w.length() w.length w i++ i++ i {
      String a = w.substring(i, i + 1);
      int cnt = 0;
      for (int j = 0; j < w.length(); j++) {
        String b = w.substring(j, j + 1);
        if (a.equals(b)) cnt++;
      }
      if (cnt % 2 != 0) {
        ans = "No";
        break;
      }
    } {
      String a = w.substring(i, i + 1);
      int cnt = 0;
      for (int j = 0; j < w.length(); j++) {
        String b = w.substring(j, j + 1);
        if (a.equals(b)) cnt++;
      }
      if (cnt % 2 != 0) {
        ans = "No";
        break;
      }
    } String a = w.substring(i, i + 1); a w.substring(i, i + 1) w.substring w i i + 1 i 1 int cnt = 0; cnt 0 for (int j = 0; j < w.length(); j++) {
        String b = w.substring(j, j + 1);
        if (a.equals(b)) cnt++;
      } int j = 0; int j = 0; j 0 j < w.length() j w.length() w.length w j++ j++ j {
        String b = w.substring(j, j + 1);
        if (a.equals(b)) cnt++;
      } {
        String b = w.substring(j, j + 1);
        if (a.equals(b)) cnt++;
      } String b = w.substring(j, j + 1); b w.substring(j, j + 1) w.substring w j j + 1 j 1 if (a.equals(b)) cnt++; a.equals(b) a.equals a b cnt++ cnt if (cnt % 2 != 0) {
        ans = "No";
        break;
      } cnt % 2 != 0 cnt % 2 cnt 2 0 {
        ans = "No";
        break;
      } ans = "No" ans "No" break; System.out.println(ans) System.out.println System.out System System.out ans String[] args args public class Main {
  public static void main (String[] args) {
    Scanner sc = new Scanner(System.in);

    String w = sc.next();

    String ans = "Yes";
    for (int i = 0; i < w.length(); i++) {
      String a = w.substring(i, i + 1);
      int cnt = 0;
      for (int j = 0; j < w.length(); j++) {
        String b = w.substring(j, j + 1);
        if (a.equals(b)) cnt++;
      }
      if (cnt % 2 != 0) {
        ans = "No";
        break;
      }
    }

    System.out.println(ans);
  }
} public class Main {
  public static void main (String[] args) {
    Scanner sc = new Scanner(System.in);

    String w = sc.next();

    String ans = "Yes";
    for (int i = 0; i < w.length(); i++) {
      String a = w.substring(i, i + 1);
      int cnt = 0;
      for (int j = 0; j < w.length(); j++) {
        String b = w.substring(j, j + 1);
        if (a.equals(b)) cnt++;
      }
      if (cnt % 2 != 0) {
        ans = "No";
        break;
      }
    }

    System.out.println(ans);
  }
} Main
import java.util.*;

public class Main {
  public static void main (String[] args) {
    Scanner sc = new Scanner(System.in);

    String w = sc.next();

    String ans = "Yes";
    for (int i = 0; i < w.length(); i++) {
      String a = w.substring(i, i + 1);
      int cnt = 0;
      for (int j = 0; j < w.length(); j++) {
        String b = w.substring(j, j + 1);
        if (a.equals(b)) cnt++;
      }
      if (cnt % 2 != 0) {
        ans = "No";
        break;
      }
    }

    System.out.println(ans);
  }
}