import java.util.Arrays;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String w = sc.next();
		
		char[] c = w.toCharArray();
		Arrays.parallelSort(c);
		
		int check = 0;
		for(int i=0;i<c.length;i++) {
			if(i%2 == 0) {
				check += c[i];
			}else {
				check -= c[i];
			}
		}
		
		if(check == 0) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
		
		sc.close();
	}

} import java.util.Arrays; Arrays java.util import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String w = sc.next();
		
		char[] c = w.toCharArray();
		Arrays.parallelSort(c);
		
		int check = 0;
		for(int i=0;i<c.length;i++) {
			if(i%2 == 0) {
				check += c[i];
			}else {
				check -= c[i];
			}
		}
		
		if(check == 0) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
		
		sc.close();
	}

} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String w = sc.next();
		
		char[] c = w.toCharArray();
		Arrays.parallelSort(c);
		
		int check = 0;
		for(int i=0;i<c.length;i++) {
			if(i%2 == 0) {
				check += c[i];
			}else {
				check -= c[i];
			}
		}
		
		if(check == 0) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
		
		sc.close();
	} main {
		Scanner sc = new Scanner(System.in);
		String w = sc.next();
		
		char[] c = w.toCharArray();
		Arrays.parallelSort(c);
		
		int check = 0;
		for(int i=0;i<c.length;i++) {
			if(i%2 == 0) {
				check += c[i];
			}else {
				check -= c[i];
			}
		}
		
		if(check == 0) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
		
		sc.close();
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String w = sc.next(); w sc.next() sc.next sc char[] c = w.toCharArray(); c w.toCharArray() w.toCharArray w Arrays.parallelSort(c) Arrays.parallelSort Arrays c int check = 0; check 0 for(int i=0;i<c.length;i++) {
			if(i%2 == 0) {
				check += c[i];
			}else {
				check -= c[i];
			}
		} int i=0; int i=0; i 0 i<c.length i c.length c c.length i++ i++ i {
			if(i%2 == 0) {
				check += c[i];
			}else {
				check -= c[i];
			}
		} {
			if(i%2 == 0) {
				check += c[i];
			}else {
				check -= c[i];
			}
		} if(i%2 == 0) {
				check += c[i];
			}else {
				check -= c[i];
			} i%2 == 0 i%2 i 2 0 {
				check += c[i];
			} check += c[i] check c[i] c i {
				check -= c[i];
			} check -= c[i] check c[i] c i if(check == 0) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		} check == 0 check 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" sc.close() sc.close sc String[] args args public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String w = sc.next();
		
		char[] c = w.toCharArray();
		Arrays.parallelSort(c);
		
		int check = 0;
		for(int i=0;i<c.length;i++) {
			if(i%2 == 0) {
				check += c[i];
			}else {
				check -= c[i];
			}
		}
		
		if(check == 0) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
		
		sc.close();
	}

} public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String w = sc.next();
		
		char[] c = w.toCharArray();
		Arrays.parallelSort(c);
		
		int check = 0;
		for(int i=0;i<c.length;i++) {
			if(i%2 == 0) {
				check += c[i];
			}else {
				check -= c[i];
			}
		}
		
		if(check == 0) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
		
		sc.close();
	}

} Main
import java.util.Arrays;
import java.util.Scanner;

public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		String w = sc.next();
		
		char[] c = w.toCharArray();
		Arrays.parallelSort(c);
		
		int check = 0;
		for(int i=0;i<c.length;i++) {
			if(i%2 == 0) {
				check += c[i];
			}else {
				check -= c[i];
			}
		}
		
		if(check == 0) {
			System.out.println("Yes");
		}else {
			System.out.println("No");
		}
		
		sc.close();
	}

}
