import java.util.*;

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

        HashMap<Character, Boolean> hash = new HashMap<Character, Boolean>();

        for (int i=0; i < txt.length(); i++) {
            if (hash.containsKey(txt.charAt(i))) {
                hash.remove(txt.charAt(i));
            } else {
                hash.put(txt.charAt(i), true);
            }
        }

        if (hash.size() == 0) {
            System.out.println("Yes");
        } else {
            System.out.println("No");
        }
    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        String txt = scan.nextLine();

        HashMap<Character, Boolean> hash = new HashMap<Character, Boolean>();

        for (int i=0; i < txt.length(); i++) {
            if (hash.containsKey(txt.charAt(i))) {
                hash.remove(txt.charAt(i));
            } else {
                hash.put(txt.charAt(i), true);
            }
        }

        if (hash.size() == 0) {
            System.out.println("Yes");
        } else {
            System.out.println("No");
        }
    }
} Main public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        String txt = scan.nextLine();

        HashMap<Character, Boolean> hash = new HashMap<Character, Boolean>();

        for (int i=0; i < txt.length(); i++) {
            if (hash.containsKey(txt.charAt(i))) {
                hash.remove(txt.charAt(i));
            } else {
                hash.put(txt.charAt(i), true);
            }
        }

        if (hash.size() == 0) {
            System.out.println("Yes");
        } else {
            System.out.println("No");
        }
    } main {
        Scanner scan = new Scanner(System.in);
        String txt = scan.nextLine();

        HashMap<Character, Boolean> hash = new HashMap<Character, Boolean>();

        for (int i=0; i < txt.length(); i++) {
            if (hash.containsKey(txt.charAt(i))) {
                hash.remove(txt.charAt(i));
            } else {
                hash.put(txt.charAt(i), true);
            }
        }

        if (hash.size() == 0) {
            System.out.println("Yes");
        } else {
            System.out.println("No");
        }
    } Scanner scan = new Scanner(System.in); scan new Scanner(System.in) String txt = scan.nextLine(); txt scan.nextLine() scan.nextLine scan HashMap<Character, Boolean> hash = new HashMap<Character, Boolean>(); hash new HashMap<Character, Boolean>() for (int i=0; i < txt.length(); i++) {
            if (hash.containsKey(txt.charAt(i))) {
                hash.remove(txt.charAt(i));
            } else {
                hash.put(txt.charAt(i), true);
            }
        } int i=0; int i=0; i 0 i < txt.length() i txt.length() txt.length txt i++ i++ i {
            if (hash.containsKey(txt.charAt(i))) {
                hash.remove(txt.charAt(i));
            } else {
                hash.put(txt.charAt(i), true);
            }
        } {
            if (hash.containsKey(txt.charAt(i))) {
                hash.remove(txt.charAt(i));
            } else {
                hash.put(txt.charAt(i), true);
            }
        } if (hash.containsKey(txt.charAt(i))) {
                hash.remove(txt.charAt(i));
            } else {
                hash.put(txt.charAt(i), true);
            } hash.containsKey(txt.charAt(i)) hash.containsKey hash txt.charAt(i) txt.charAt txt i {
                hash.remove(txt.charAt(i));
            } hash.remove(txt.charAt(i)) hash.remove hash txt.charAt(i) txt.charAt txt i {
                hash.put(txt.charAt(i), true);
            } hash.put(txt.charAt(i), true) hash.put hash txt.charAt(i) txt.charAt txt i true if (hash.size() == 0) {
            System.out.println("Yes");
        } else {
            System.out.println("No");
        } hash.size() == 0 hash.size() hash.size hash 0 {
            System.out.println("Yes");
        } System.out.println("Yes") System.out.println System.out System System.out "Yes" {
            System.out.println("No");
        } System.out.println("No") System.out.println System.out System System.out "No" String[] args args public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        String txt = scan.nextLine();

        HashMap<Character, Boolean> hash = new HashMap<Character, Boolean>();

        for (int i=0; i < txt.length(); i++) {
            if (hash.containsKey(txt.charAt(i))) {
                hash.remove(txt.charAt(i));
            } else {
                hash.put(txt.charAt(i), true);
            }
        }

        if (hash.size() == 0) {
            System.out.println("Yes");
        } else {
            System.out.println("No");
        }
    }
} public class Main {
    public static void main(String[] args) {
        Scanner scan = new Scanner(System.in);
        String txt = scan.nextLine();

        HashMap<Character, Boolean> hash = new HashMap<Character, Boolean>();

        for (int i=0; i < txt.length(); i++) {
            if (hash.containsKey(txt.charAt(i))) {
                hash.remove(txt.charAt(i));
            } else {
                hash.put(txt.charAt(i), true);
            }
        }

        if (hash.size() == 0) {
            System.out.println("Yes");
        } else {
            System.out.println("No");
        }
    }
} Main
import java.util.*;

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

        HashMap<Character, Boolean> hash = new HashMap<Character, Boolean>();

        for (int i=0; i < txt.length(); i++) {
            if (hash.containsKey(txt.charAt(i))) {
                hash.remove(txt.charAt(i));
            } else {
                hash.put(txt.charAt(i), true);
            }
        }

        if (hash.size() == 0) {
            System.out.println("Yes");
        } else {
            System.out.println("No");
        }
    }
}
