import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        boolean bl = true;
        char[] array = sc.next().toCharArray();
        Arrays.sort(array);
        for (int i=0;i<array.length;i++) {
            char c = array[i];
            int j = i+1;
            int count = 1;
            while (j < array.length && c == array[j]) {
                count++;
                i = j;
                j++;
            }
            if (count%2==1) {
                bl = false;
                break;
            }
        }
        System.out.println(bl?"Yes":"No");

    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        boolean bl = true;
        char[] array = sc.next().toCharArray();
        Arrays.sort(array);
        for (int i=0;i<array.length;i++) {
            char c = array[i];
            int j = i+1;
            int count = 1;
            while (j < array.length && c == array[j]) {
                count++;
                i = j;
                j++;
            }
            if (count%2==1) {
                bl = false;
                break;
            }
        }
        System.out.println(bl?"Yes":"No");

    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        boolean bl = true;
        char[] array = sc.next().toCharArray();
        Arrays.sort(array);
        for (int i=0;i<array.length;i++) {
            char c = array[i];
            int j = i+1;
            int count = 1;
            while (j < array.length && c == array[j]) {
                count++;
                i = j;
                j++;
            }
            if (count%2==1) {
                bl = false;
                break;
            }
        }
        System.out.println(bl?"Yes":"No");

    } main {
        Scanner sc = new Scanner(System.in);
        boolean bl = true;
        char[] array = sc.next().toCharArray();
        Arrays.sort(array);
        for (int i=0;i<array.length;i++) {
            char c = array[i];
            int j = i+1;
            int count = 1;
            while (j < array.length && c == array[j]) {
                count++;
                i = j;
                j++;
            }
            if (count%2==1) {
                bl = false;
                break;
            }
        }
        System.out.println(bl?"Yes":"No");

    } Scanner sc = new Scanner(System.in); sc new Scanner(System.in) boolean bl = true; bl true char[] array = sc.next().toCharArray(); array sc.next().toCharArray() sc.next().toCharArray sc.next() sc.next sc Arrays.sort(array) Arrays.sort Arrays array for (int i=0;i<array.length;i++) {
            char c = array[i];
            int j = i+1;
            int count = 1;
            while (j < array.length && c == array[j]) {
                count++;
                i = j;
                j++;
            }
            if (count%2==1) {
                bl = false;
                break;
            }
        } int i=0; int i=0; i 0 i<array.length i array.length array array.length i++ i++ i {
            char c = array[i];
            int j = i+1;
            int count = 1;
            while (j < array.length && c == array[j]) {
                count++;
                i = j;
                j++;
            }
            if (count%2==1) {
                bl = false;
                break;
            }
        } {
            char c = array[i];
            int j = i+1;
            int count = 1;
            while (j < array.length && c == array[j]) {
                count++;
                i = j;
                j++;
            }
            if (count%2==1) {
                bl = false;
                break;
            }
        } char c = array[i]; c array[i] array i int j = i+1; j i+1 i 1 int count = 1; count 1 while (j < array.length && c == array[j]) {
                count++;
                i = j;
                j++;
            } j < array.length && c == array[j] j < array.length j array.length array array.length c == array[j] c array[j] array j {
                count++;
                i = j;
                j++;
            } count++ count i = j i j j++ j if (count%2==1) {
                bl = false;
                break;
            } count%2==1 count%2 count 2 1 {
                bl = false;
                break;
            } bl = false bl false break; System.out.println(bl?"Yes":"No") System.out.println System.out System System.out bl?"Yes":"No" bl "Yes" "No" String[] args args public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        boolean bl = true;
        char[] array = sc.next().toCharArray();
        Arrays.sort(array);
        for (int i=0;i<array.length;i++) {
            char c = array[i];
            int j = i+1;
            int count = 1;
            while (j < array.length && c == array[j]) {
                count++;
                i = j;
                j++;
            }
            if (count%2==1) {
                bl = false;
                break;
            }
        }
        System.out.println(bl?"Yes":"No");

    }
} public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        boolean bl = true;
        char[] array = sc.next().toCharArray();
        Arrays.sort(array);
        for (int i=0;i<array.length;i++) {
            char c = array[i];
            int j = i+1;
            int count = 1;
            while (j < array.length && c == array[j]) {
                count++;
                i = j;
                j++;
            }
            if (count%2==1) {
                bl = false;
                break;
            }
        }
        System.out.println(bl?"Yes":"No");

    }
} Main
import java.util.*;

public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);
        boolean bl = true;
        char[] array = sc.next().toCharArray();
        Arrays.sort(array);
        for (int i=0;i<array.length;i++) {
            char c = array[i];
            int j = i+1;
            int count = 1;
            while (j < array.length && c == array[j]) {
                count++;
                i = j;
                j++;
            }
            if (count%2==1) {
                bl = false;
                break;
            }
        }
        System.out.println(bl?"Yes":"No");

    }
}