import java.util.Scanner;

public class Main {
	public static void main(String[] args){
		
		Scanner scanner = new Scanner(System.in);
		String w = scanner.next();
		
		String[] W = w.split("");
		
		int i=0, j=0, cnt=0;
		for(i=0; i<W.length; i++ ){
			
			for(j=0; j<W.length; j++ ){
				if(W[i].equals(W[j])){
					cnt++;
				}
			}
			if(!((cnt%2)==0)){
				System.out.println("No");
				return;
			}
			cnt = 0;
		}
		System.out.println("Yes");
	}
} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args){
		
		Scanner scanner = new Scanner(System.in);
		String w = scanner.next();
		
		String[] W = w.split("");
		
		int i=0, j=0, cnt=0;
		for(i=0; i<W.length; i++ ){
			
			for(j=0; j<W.length; j++ ){
				if(W[i].equals(W[j])){
					cnt++;
				}
			}
			if(!((cnt%2)==0)){
				System.out.println("No");
				return;
			}
			cnt = 0;
		}
		System.out.println("Yes");
	}
} Main public static void main(String[] args){
		
		Scanner scanner = new Scanner(System.in);
		String w = scanner.next();
		
		String[] W = w.split("");
		
		int i=0, j=0, cnt=0;
		for(i=0; i<W.length; i++ ){
			
			for(j=0; j<W.length; j++ ){
				if(W[i].equals(W[j])){
					cnt++;
				}
			}
			if(!((cnt%2)==0)){
				System.out.println("No");
				return;
			}
			cnt = 0;
		}
		System.out.println("Yes");
	} main {
		
		Scanner scanner = new Scanner(System.in);
		String w = scanner.next();
		
		String[] W = w.split("");
		
		int i=0, j=0, cnt=0;
		for(i=0; i<W.length; i++ ){
			
			for(j=0; j<W.length; j++ ){
				if(W[i].equals(W[j])){
					cnt++;
				}
			}
			if(!((cnt%2)==0)){
				System.out.println("No");
				return;
			}
			cnt = 0;
		}
		System.out.println("Yes");
	} Scanner scanner = new Scanner(System.in); scanner new Scanner(System.in) String w = scanner.next(); w scanner.next() scanner.next scanner String[] W = w.split(""); W w.split("") w.split w "" int i=0 i 0 j=0 j 0 cnt=0; cnt 0 for(i=0; i<W.length; i++ ){
			
			for(j=0; j<W.length; j++ ){
				if(W[i].equals(W[j])){
					cnt++;
				}
			}
			if(!((cnt%2)==0)){
				System.out.println("No");
				return;
			}
			cnt = 0;
		} i=0; i=0 i 0 i<W.length i W.length W W.length i++ i++ i {
			
			for(j=0; j<W.length; j++ ){
				if(W[i].equals(W[j])){
					cnt++;
				}
			}
			if(!((cnt%2)==0)){
				System.out.println("No");
				return;
			}
			cnt = 0;
		} {
			
			for(j=0; j<W.length; j++ ){
				if(W[i].equals(W[j])){
					cnt++;
				}
			}
			if(!((cnt%2)==0)){
				System.out.println("No");
				return;
			}
			cnt = 0;
		} for(j=0; j<W.length; j++ ){
				if(W[i].equals(W[j])){
					cnt++;
				}
			} j=0; j=0 j 0 j<W.length j W.length W W.length j++ j++ j {
				if(W[i].equals(W[j])){
					cnt++;
				}
			} {
				if(W[i].equals(W[j])){
					cnt++;
				}
			} if(W[i].equals(W[j])){
					cnt++;
				} W[i].equals(W[j]) W[i].equals W[i] W i W[j] W j {
					cnt++;
				} cnt++ cnt if(!((cnt%2)==0)){
				System.out.println("No");
				return;
			} !((cnt%2)==0) ((cnt%2)==0) (cnt%2) cnt 2 0 {
				System.out.println("No");
				return;
			} System.out.println("No") System.out.println System.out System System.out "No" return; cnt = 0 cnt 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 scanner = new Scanner(System.in);
		String w = scanner.next();
		
		String[] W = w.split("");
		
		int i=0, j=0, cnt=0;
		for(i=0; i<W.length; i++ ){
			
			for(j=0; j<W.length; j++ ){
				if(W[i].equals(W[j])){
					cnt++;
				}
			}
			if(!((cnt%2)==0)){
				System.out.println("No");
				return;
			}
			cnt = 0;
		}
		System.out.println("Yes");
	}
} public class Main {
	public static void main(String[] args){
		
		Scanner scanner = new Scanner(System.in);
		String w = scanner.next();
		
		String[] W = w.split("");
		
		int i=0, j=0, cnt=0;
		for(i=0; i<W.length; i++ ){
			
			for(j=0; j<W.length; j++ ){
				if(W[i].equals(W[j])){
					cnt++;
				}
			}
			if(!((cnt%2)==0)){
				System.out.println("No");
				return;
			}
			cnt = 0;
		}
		System.out.println("Yes");
	}
} Main
import java.util.Scanner;

public class Main {
	public static void main(String[] args){
		
		Scanner scanner = new Scanner(System.in);
		String w = scanner.next();
		
		String[] W = w.split("");
		
		int i=0, j=0, cnt=0;
		for(i=0; i<W.length; i++ ){
			
			for(j=0; j<W.length; j++ ){
				if(W[i].equals(W[j])){
					cnt++;
				}
			}
			if(!((cnt%2)==0)){
				System.out.println("No");
				return;
			}
			cnt = 0;
		}
		System.out.println("Yes");
	}
}