import java.util.Scanner;

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

    final String s = scanner.nextLine();
    final boolean[] alphabets = new boolean[26];
    for (char c: s.toCharArray()) {
      alphabets[c - 'a'] = !alphabets[c - 'a'];
    }

    for (boolean a: alphabets) {
      if (a) {
        System.out.println("No");
        return;
      }
    }

    System.out.println("Yes");
  }
} import java.util.Scanner; Scanner java.util public class Main {
  public static void main(String[] args) {
    final Scanner scanner = new Scanner(System.in);

    final String s = scanner.nextLine();
    final boolean[] alphabets = new boolean[26];
    for (char c: s.toCharArray()) {
      alphabets[c - 'a'] = !alphabets[c - 'a'];
    }

    for (boolean a: alphabets) {
      if (a) {
        System.out.println("No");
        return;
      }
    }

    System.out.println("Yes");
  }
} Main public static void main(String[] args) {
    final Scanner scanner = new Scanner(System.in);

    final String s = scanner.nextLine();
    final boolean[] alphabets = new boolean[26];
    for (char c: s.toCharArray()) {
      alphabets[c - 'a'] = !alphabets[c - 'a'];
    }

    for (boolean a: alphabets) {
      if (a) {
        System.out.println("No");
        return;
      }
    }

    System.out.println("Yes");
  } main {
    final Scanner scanner = new Scanner(System.in);

    final String s = scanner.nextLine();
    final boolean[] alphabets = new boolean[26];
    for (char c: s.toCharArray()) {
      alphabets[c - 'a'] = !alphabets[c - 'a'];
    }

    for (boolean a: alphabets) {
      if (a) {
        System.out.println("No");
        return;
      }
    }

    System.out.println("Yes");
  } final Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) final String s = scanner.nextLine(); s scanner.nextLine() scanner.nextLine scanner final boolean[] alphabets = new boolean[26]; alphabets new boolean[26] 26 for (char c: s.toCharArray()) {
      alphabets[c - 'a'] = !alphabets[c - 'a'];
    } char c s.toCharArray() s.toCharArray s {
      alphabets[c - 'a'] = !alphabets[c - 'a'];
    } {
      alphabets[c - 'a'] = !alphabets[c - 'a'];
    } alphabets[c - 'a'] = !alphabets[c - 'a'] alphabets[c - 'a'] alphabets c - 'a' c 'a' !alphabets[c - 'a'] alphabets[c - 'a'] alphabets c - 'a' c 'a' for (boolean a: alphabets) {
      if (a) {
        System.out.println("No");
        return;
      }
    } boolean a alphabets {
      if (a) {
        System.out.println("No");
        return;
      }
    } {
      if (a) {
        System.out.println("No");
        return;
      }
    } if (a) {
        System.out.println("No");
        return;
      } a {
        System.out.println("No");
        return;
      } System.out.println("No") System.out.println System.out System System.out "No" return; System.out.println("Yes") System.out.println System.out System System.out "Yes" String[] args args public class Main {
  public static void main(String[] args) {
    final Scanner scanner = new Scanner(System.in);

    final String s = scanner.nextLine();
    final boolean[] alphabets = new boolean[26];
    for (char c: s.toCharArray()) {
      alphabets[c - 'a'] = !alphabets[c - 'a'];
    }

    for (boolean a: alphabets) {
      if (a) {
        System.out.println("No");
        return;
      }
    }

    System.out.println("Yes");
  }
} public class Main {
  public static void main(String[] args) {
    final Scanner scanner = new Scanner(System.in);

    final String s = scanner.nextLine();
    final boolean[] alphabets = new boolean[26];
    for (char c: s.toCharArray()) {
      alphabets[c - 'a'] = !alphabets[c - 'a'];
    }

    for (boolean a: alphabets) {
      if (a) {
        System.out.println("No");
        return;
      }
    }

    System.out.println("Yes");
  }
} Main
import java.util.Scanner;

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

    final String s = scanner.nextLine();
    final boolean[] alphabets = new boolean[26];
    for (char c: s.toCharArray()) {
      alphabets[c - 'a'] = !alphabets[c - 'a'];
    }

    for (boolean a: alphabets) {
      if (a) {
        System.out.println("No");
        return;
      }
    }

    System.out.println("Yes");
  }
}