import java.util.Arrays;
import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		char[] s = sc.next().toCharArray();
		Arrays.sort(s);
		int num = 1;
		boolean c = true;
		for(int i = 0; i < s.length-1; i++) {
			if(s[i] == s[i+1]) {
				num++;
			}else {
				if(num % 2 != 0) {
					c = false;
					break;
				}
				num = 1;
			}
		}
		if(num % 2 != 0) c = false;
		if(c)System.out.println("Yes");
		else System.out.println("No");
	}
} 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);
		char[] s = sc.next().toCharArray();
		Arrays.sort(s);
		int num = 1;
		boolean c = true;
		for(int i = 0; i < s.length-1; i++) {
			if(s[i] == s[i+1]) {
				num++;
			}else {
				if(num % 2 != 0) {
					c = false;
					break;
				}
				num = 1;
			}
		}
		if(num % 2 != 0) c = false;
		if(c)System.out.println("Yes");
		else System.out.println("No");
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		char[] s = sc.next().toCharArray();
		Arrays.sort(s);
		int num = 1;
		boolean c = true;
		for(int i = 0; i < s.length-1; i++) {
			if(s[i] == s[i+1]) {
				num++;
			}else {
				if(num % 2 != 0) {
					c = false;
					break;
				}
				num = 1;
			}
		}
		if(num % 2 != 0) c = false;
		if(c)System.out.println("Yes");
		else System.out.println("No");
	} main {
		Scanner sc = new Scanner(System.in);
		char[] s = sc.next().toCharArray();
		Arrays.sort(s);
		int num = 1;
		boolean c = true;
		for(int i = 0; i < s.length-1; i++) {
			if(s[i] == s[i+1]) {
				num++;
			}else {
				if(num % 2 != 0) {
					c = false;
					break;
				}
				num = 1;
			}
		}
		if(num % 2 != 0) c = false;
		if(c)System.out.println("Yes");
		else System.out.println("No");
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) char[] s = sc.next().toCharArray(); s sc.next().toCharArray() sc.next().toCharArray sc.next() sc.next sc Arrays.sort(s) Arrays.sort Arrays s int num = 1; num 1 boolean c = true; c true for(int i = 0; i < s.length-1; i++) {
			if(s[i] == s[i+1]) {
				num++;
			}else {
				if(num % 2 != 0) {
					c = false;
					break;
				}
				num = 1;
			}
		} int i = 0; int i = 0; i 0 i < s.length-1 i s.length-1 s.length s s.length 1 i++ i++ i {
			if(s[i] == s[i+1]) {
				num++;
			}else {
				if(num % 2 != 0) {
					c = false;
					break;
				}
				num = 1;
			}
		} {
			if(s[i] == s[i+1]) {
				num++;
			}else {
				if(num % 2 != 0) {
					c = false;
					break;
				}
				num = 1;
			}
		} if(s[i] == s[i+1]) {
				num++;
			}else {
				if(num % 2 != 0) {
					c = false;
					break;
				}
				num = 1;
			} s[i] == s[i+1] s[i] s i s[i+1] s i+1 i 1 {
				num++;
			} num++ num {
				if(num % 2 != 0) {
					c = false;
					break;
				}
				num = 1;
			} if(num % 2 != 0) {
					c = false;
					break;
				} num % 2 != 0 num % 2 num 2 0 {
					c = false;
					break;
				} c = false c false break; num = 1 num 1 if(num % 2 != 0) c = false; num % 2 != 0 num % 2 num 2 0 c = false c false if(c)System.out.println("Yes");
		else System.out.println("No"); c System.out.println("Yes") System.out.println System.out System System.out "Yes" 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 sc = new Scanner(System.in);
		char[] s = sc.next().toCharArray();
		Arrays.sort(s);
		int num = 1;
		boolean c = true;
		for(int i = 0; i < s.length-1; i++) {
			if(s[i] == s[i+1]) {
				num++;
			}else {
				if(num % 2 != 0) {
					c = false;
					break;
				}
				num = 1;
			}
		}
		if(num % 2 != 0) c = false;
		if(c)System.out.println("Yes");
		else System.out.println("No");
	}
} public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		char[] s = sc.next().toCharArray();
		Arrays.sort(s);
		int num = 1;
		boolean c = true;
		for(int i = 0; i < s.length-1; i++) {
			if(s[i] == s[i+1]) {
				num++;
			}else {
				if(num % 2 != 0) {
					c = false;
					break;
				}
				num = 1;
			}
		}
		if(num % 2 != 0) c = false;
		if(c)System.out.println("Yes");
		else System.out.println("No");
	}
} Main
import java.util.Arrays;
import java.util.Scanner;
public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);
		char[] s = sc.next().toCharArray();
		Arrays.sort(s);
		int num = 1;
		boolean c = true;
		for(int i = 0; i < s.length-1; i++) {
			if(s[i] == s[i+1]) {
				num++;
			}else {
				if(num % 2 != 0) {
					c = false;
					break;
				}
				num = 1;
			}
		}
		if(num % 2 != 0) c = false;
		if(c)System.out.println("Yes");
		else System.out.println("No");
	}
}
