import java.util.Scanner;
//B - 文字列大好きいろはちゃんイージー / Iroha Loves Strings (ABC Edition)

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

		String str = sc.next(); //文字列ｓを標準入力する
		
		int cnt = 0;

		for (char c = 'a' ; c <= 'z'; c++) {
			for (int i = 0; i < str.length(); i++) {
				if (str.charAt(i) == c) {
	                cnt ++;
				}
			}
			if (cnt % 2 != 0) {
				System.out.println("No");
				return;
			}
		}
		System.out.println("Yes");
	}
} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		String str = sc.next(); //文字列ｓを標準入力する
		
		int cnt = 0;

		for (char c = 'a' ; c <= 'z'; c++) {
			for (int i = 0; i < str.length(); i++) {
				if (str.charAt(i) == c) {
	                cnt ++;
				}
			}
			if (cnt % 2 != 0) {
				System.out.println("No");
				return;
			}
		}
		System.out.println("Yes");
	}
} Main public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		String str = sc.next(); //文字列ｓを標準入力する
		
		int cnt = 0;

		for (char c = 'a' ; c <= 'z'; c++) {
			for (int i = 0; i < str.length(); i++) {
				if (str.charAt(i) == c) {
	                cnt ++;
				}
			}
			if (cnt % 2 != 0) {
				System.out.println("No");
				return;
			}
		}
		System.out.println("Yes");
	} main {
		Scanner sc = new Scanner(System.in);

		String str = sc.next(); //文字列ｓを標準入力する
		
		int cnt = 0;

		for (char c = 'a' ; c <= 'z'; c++) {
			for (int i = 0; i < str.length(); i++) {
				if (str.charAt(i) == c) {
	                cnt ++;
				}
			}
			if (cnt % 2 != 0) {
				System.out.println("No");
				return;
			}
		}
		System.out.println("Yes");
	} Scanner sc = new Scanner(System.in); sc new Scanner(System.in) String str = sc.next(); str sc.next() sc.next sc int cnt = 0; cnt 0 for (char c = 'a' ; c <= 'z'; c++) {
			for (int i = 0; i < str.length(); i++) {
				if (str.charAt(i) == c) {
	                cnt ++;
				}
			}
			if (cnt % 2 != 0) {
				System.out.println("No");
				return;
			}
		} char c = 'a' ; char c = 'a' ; c 'a' c <= 'z' c 'z' c++ c++ c {
			for (int i = 0; i < str.length(); i++) {
				if (str.charAt(i) == c) {
	                cnt ++;
				}
			}
			if (cnt % 2 != 0) {
				System.out.println("No");
				return;
			}
		} {
			for (int i = 0; i < str.length(); i++) {
				if (str.charAt(i) == c) {
	                cnt ++;
				}
			}
			if (cnt % 2 != 0) {
				System.out.println("No");
				return;
			}
		} for (int i = 0; i < str.length(); i++) {
				if (str.charAt(i) == c) {
	                cnt ++;
				}
			} int i = 0; int i = 0; i 0 i < str.length() i str.length() str.length str i++ i++ i {
				if (str.charAt(i) == c) {
	                cnt ++;
				}
			} {
				if (str.charAt(i) == c) {
	                cnt ++;
				}
			} if (str.charAt(i) == c) {
	                cnt ++;
				} str.charAt(i) == c str.charAt(i) str.charAt str i c {
	                cnt ++;
				} cnt ++ cnt if (cnt % 2 != 0) {
				System.out.println("No");
				return;
			} 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; 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 sc = new Scanner(System.in);

		String str = sc.next(); //文字列ｓを標準入力する
		
		int cnt = 0;

		for (char c = 'a' ; c <= 'z'; c++) {
			for (int i = 0; i < str.length(); i++) {
				if (str.charAt(i) == c) {
	                cnt ++;
				}
			}
			if (cnt % 2 != 0) {
				System.out.println("No");
				return;
			}
		}
		System.out.println("Yes");
	}
} public class Main {
	public static void main(String[] args) {
		Scanner sc = new Scanner(System.in);

		String str = sc.next(); //文字列ｓを標準入力する
		
		int cnt = 0;

		for (char c = 'a' ; c <= 'z'; c++) {
			for (int i = 0; i < str.length(); i++) {
				if (str.charAt(i) == c) {
	                cnt ++;
				}
			}
			if (cnt % 2 != 0) {
				System.out.println("No");
				return;
			}
		}
		System.out.println("Yes");
	}
} Main
import java.util.Scanner;
//B - 文字列大好きいろはちゃんイージー / Iroha Loves Strings (ABC Edition)

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

		String str = sc.next(); //文字列ｓを標準入力する
		
		int cnt = 0;

		for (char c = 'a' ; c <= 'z'; c++) {
			for (int i = 0; i < str.length(); i++) {
				if (str.charAt(i) == c) {
	                cnt ++;
				}
			}
			if (cnt % 2 != 0) {
				System.out.println("No");
				return;
			}
		}
		System.out.println("Yes");
	}
}
