import java.util.Scanner;

public class Main{
	public static void main(String args[]){
		Scanner scan = new Scanner(System.in);
		String str = scan.next();
		char[] c = str.toCharArray();

		for(int i = 0; i < c.length; i++){
			int count = 0;
			for(int j = 0; j < c.length; j++){
				if(c[i] == c[j]){
					count ++;
				}
			}
			if(count % 2 != 0){						
				System.out.println("No");
				System.exit(0);
			}
		}
		System.out.println("Yes");
	}
} import java.util.Scanner; Scanner java.util public class Main{
	public static void main(String args[]){
		Scanner scan = new Scanner(System.in);
		String str = scan.next();
		char[] c = str.toCharArray();

		for(int i = 0; i < c.length; i++){
			int count = 0;
			for(int j = 0; j < c.length; j++){
				if(c[i] == c[j]){
					count ++;
				}
			}
			if(count % 2 != 0){						
				System.out.println("No");
				System.exit(0);
			}
		}
		System.out.println("Yes");
	}
} Main public static void main(String args[]){
		Scanner scan = new Scanner(System.in);
		String str = scan.next();
		char[] c = str.toCharArray();

		for(int i = 0; i < c.length; i++){
			int count = 0;
			for(int j = 0; j < c.length; j++){
				if(c[i] == c[j]){
					count ++;
				}
			}
			if(count % 2 != 0){						
				System.out.println("No");
				System.exit(0);
			}
		}
		System.out.println("Yes");
	} main {
		Scanner scan = new Scanner(System.in);
		String str = scan.next();
		char[] c = str.toCharArray();

		for(int i = 0; i < c.length; i++){
			int count = 0;
			for(int j = 0; j < c.length; j++){
				if(c[i] == c[j]){
					count ++;
				}
			}
			if(count % 2 != 0){						
				System.out.println("No");
				System.exit(0);
			}
		}
		System.out.println("Yes");
	} Scanner scan = new Scanner(System.in); scan new Scanner(System.in) String str = scan.next(); str scan.next() scan.next scan char[] c = str.toCharArray(); c str.toCharArray() str.toCharArray str for(int i = 0; i < c.length; i++){
			int count = 0;
			for(int j = 0; j < c.length; j++){
				if(c[i] == c[j]){
					count ++;
				}
			}
			if(count % 2 != 0){						
				System.out.println("No");
				System.exit(0);
			}
		} int i = 0; int i = 0; i 0 i < c.length i c.length c c.length i++ i++ i {
			int count = 0;
			for(int j = 0; j < c.length; j++){
				if(c[i] == c[j]){
					count ++;
				}
			}
			if(count % 2 != 0){						
				System.out.println("No");
				System.exit(0);
			}
		} {
			int count = 0;
			for(int j = 0; j < c.length; j++){
				if(c[i] == c[j]){
					count ++;
				}
			}
			if(count % 2 != 0){						
				System.out.println("No");
				System.exit(0);
			}
		} int count = 0; count 0 for(int j = 0; j < c.length; j++){
				if(c[i] == c[j]){
					count ++;
				}
			} int j = 0; int j = 0; j 0 j < c.length j c.length c c.length j++ j++ j {
				if(c[i] == c[j]){
					count ++;
				}
			} {
				if(c[i] == c[j]){
					count ++;
				}
			} if(c[i] == c[j]){
					count ++;
				} c[i] == c[j] c[i] c i c[j] c j {
					count ++;
				} count ++ count if(count % 2 != 0){						
				System.out.println("No");
				System.exit(0);
			} count % 2 != 0 count % 2 count 2 0 {						
				System.out.println("No");
				System.exit(0);
			} System.out.println("No") System.out.println System.out System System.out "No" System.exit(0) System.exit System 0 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[]){
		Scanner scan = new Scanner(System.in);
		String str = scan.next();
		char[] c = str.toCharArray();

		for(int i = 0; i < c.length; i++){
			int count = 0;
			for(int j = 0; j < c.length; j++){
				if(c[i] == c[j]){
					count ++;
				}
			}
			if(count % 2 != 0){						
				System.out.println("No");
				System.exit(0);
			}
		}
		System.out.println("Yes");
	}
} public class Main{
	public static void main(String args[]){
		Scanner scan = new Scanner(System.in);
		String str = scan.next();
		char[] c = str.toCharArray();

		for(int i = 0; i < c.length; i++){
			int count = 0;
			for(int j = 0; j < c.length; j++){
				if(c[i] == c[j]){
					count ++;
				}
			}
			if(count % 2 != 0){						
				System.out.println("No");
				System.exit(0);
			}
		}
		System.out.println("Yes");
	}
} Main
import java.util.Scanner;

public class Main{
	public static void main(String args[]){
		Scanner scan = new Scanner(System.in);
		String str = scan.next();
		char[] c = str.toCharArray();

		for(int i = 0; i < c.length; i++){
			int count = 0;
			for(int j = 0; j < c.length; j++){
				if(c[i] == c[j]){
					count ++;
				}
			}
			if(count % 2 != 0){						
				System.out.println("No");
				System.exit(0);
			}
		}
		System.out.println("Yes");
	}
}
