import java.util.Scanner;

class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		String w = sc.next();
		int count = 1;
		int i = 0;
		while (w.length() >= 2) {
			for (int j = i + 1; j < w.length(); j++) {
				if (w.substring(i, 1).equals(w.substring(j, j + 1))) {
					count++;
				}
			}
			if (count % 2 == 1) {
				System.out.println("No");
				break;
			}
			count = 1;
			w = w.replaceAll(w.substring(0, 1), "");
		}
		if (w.length() == 0) {
			System.out.println("Yes");
		} else if (w.length() == 1) {
			System.out.println("No");
		}
	}
} import java.util.Scanner; Scanner java.util class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		String w = sc.next();
		int count = 1;
		int i = 0;
		while (w.length() >= 2) {
			for (int j = i + 1; j < w.length(); j++) {
				if (w.substring(i, 1).equals(w.substring(j, j + 1))) {
					count++;
				}
			}
			if (count % 2 == 1) {
				System.out.println("No");
				break;
			}
			count = 1;
			w = w.replaceAll(w.substring(0, 1), "");
		}
		if (w.length() == 0) {
			System.out.println("Yes");
		} else if (w.length() == 1) {
			System.out.println("No");
		}
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		String w = sc.next();
		int count = 1;
		int i = 0;
		while (w.length() >= 2) {
			for (int j = i + 1; j < w.length(); j++) {
				if (w.substring(i, 1).equals(w.substring(j, j + 1))) {
					count++;
				}
			}
			if (count % 2 == 1) {
				System.out.println("No");
				break;
			}
			count = 1;
			w = w.replaceAll(w.substring(0, 1), "");
		}
		if (w.length() == 0) {
			System.out.println("Yes");
		} else if (w.length() == 1) {
			System.out.println("No");
		}
	} main {
		Scanner sc = new Scanner(System.in);

		String w = sc.next();
		int count = 1;
		int i = 0;
		while (w.length() >= 2) {
			for (int j = i + 1; j < w.length(); j++) {
				if (w.substring(i, 1).equals(w.substring(j, j + 1))) {
					count++;
				}
			}
			if (count % 2 == 1) {
				System.out.println("No");
				break;
			}
			count = 1;
			w = w.replaceAll(w.substring(0, 1), "");
		}
		if (w.length() == 0) {
			System.out.println("Yes");
		} else if (w.length() == 1) {
			System.out.println("No");
		}
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String w = sc.next(); w sc.next() sc.next sc int count = 1; count 1 int i = 0; i 0 while (w.length() >= 2) {
			for (int j = i + 1; j < w.length(); j++) {
				if (w.substring(i, 1).equals(w.substring(j, j + 1))) {
					count++;
				}
			}
			if (count % 2 == 1) {
				System.out.println("No");
				break;
			}
			count = 1;
			w = w.replaceAll(w.substring(0, 1), "");
		} w.length() >= 2 w.length() w.length w 2 {
			for (int j = i + 1; j < w.length(); j++) {
				if (w.substring(i, 1).equals(w.substring(j, j + 1))) {
					count++;
				}
			}
			if (count % 2 == 1) {
				System.out.println("No");
				break;
			}
			count = 1;
			w = w.replaceAll(w.substring(0, 1), "");
		} for (int j = i + 1; j < w.length(); j++) {
				if (w.substring(i, 1).equals(w.substring(j, j + 1))) {
					count++;
				}
			} int j = i + 1; int j = i + 1; j i + 1 i 1 j < w.length() j w.length() w.length w j++ j++ j {
				if (w.substring(i, 1).equals(w.substring(j, j + 1))) {
					count++;
				}
			} {
				if (w.substring(i, 1).equals(w.substring(j, j + 1))) {
					count++;
				}
			} if (w.substring(i, 1).equals(w.substring(j, j + 1))) {
					count++;
				} w.substring(i, 1).equals(w.substring(j, j + 1)) w.substring(i, 1).equals w.substring(i, 1) w.substring w i 1 w.substring(j, j + 1) w.substring w j j + 1 j 1 {
					count++;
				} count++ count if (count % 2 == 1) {
				System.out.println("No");
				break;
			} count % 2 == 1 count % 2 count 2 1 {
				System.out.println("No");
				break;
			} System.out.println("No") System.out.println System.out System System.out "No" break; count = 1 count 1 w = w.replaceAll(w.substring(0, 1), "") w w.replaceAll(w.substring(0, 1), "") w.replaceAll w w.substring(0, 1) w.substring w 0 1 "" if (w.length() == 0) {
			System.out.println("Yes");
		} else if (w.length() == 1) {
			System.out.println("No");
		} w.length() == 0 w.length() w.length w 0 {
			System.out.println("Yes");
		} System.out.println("Yes") System.out.println System.out System System.out "Yes" if (w.length() == 1) {
			System.out.println("No");
		} w.length() == 1 w.length() w.length w 1 {
			System.out.println("No");
		} System.out.println("No") System.out.println System.out System System.out "No" String[] args args
import java.util.Scanner;

class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		String w = sc.next();
		int count = 1;
		int i = 0;
		while (w.length() >= 2) {
			for (int j = i + 1; j < w.length(); j++) {
				if (w.substring(i, 1).equals(w.substring(j, j + 1))) {
					count++;
				}
			}
			if (count % 2 == 1) {
				System.out.println("No");
				break;
			}
			count = 1;
			w = w.replaceAll(w.substring(0, 1), "");
		}
		if (w.length() == 0) {
			System.out.println("Yes");
		} else if (w.length() == 1) {
			System.out.println("No");
		}
	}
}