import java.util.Scanner;

public class Main {
	public static void main(String args[]) {
		Scanner in = new Scanner(System.in);
		int[] alpha = new int[26];
		
		char[] s = in.next().toCharArray();
		for (int i = 0 ; i < s.length; i++) {
			alpha[s[i] - 'a']++;
		}
		
		boolean flag = true;
		for (int i = 0 ; i < 26; i++) {
			flag = (alpha[i] % 2 == 0);
			if (!flag)
				break;
		}
		
		if (flag)
			System.out.println("Yes");
		else
			System.out.println("No");
	}
} import java.util.Scanner; Scanner java.util public class Main {
	public static void main(String args[]) {
		Scanner in = new Scanner(System.in);
		int[] alpha = new int[26];
		
		char[] s = in.next().toCharArray();
		for (int i = 0 ; i < s.length; i++) {
			alpha[s[i] - 'a']++;
		}
		
		boolean flag = true;
		for (int i = 0 ; i < 26; i++) {
			flag = (alpha[i] % 2 == 0);
			if (!flag)
				break;
		}
		
		if (flag)
			System.out.println("Yes");
		else
			System.out.println("No");
	}
} Main public static void main(String args[]) {
		Scanner in = new Scanner(System.in);
		int[] alpha = new int[26];
		
		char[] s = in.next().toCharArray();
		for (int i = 0 ; i < s.length; i++) {
			alpha[s[i] - 'a']++;
		}
		
		boolean flag = true;
		for (int i = 0 ; i < 26; i++) {
			flag = (alpha[i] % 2 == 0);
			if (!flag)
				break;
		}
		
		if (flag)
			System.out.println("Yes");
		else
			System.out.println("No");
	} main {
		Scanner in = new Scanner(System.in);
		int[] alpha = new int[26];
		
		char[] s = in.next().toCharArray();
		for (int i = 0 ; i < s.length; i++) {
			alpha[s[i] - 'a']++;
		}
		
		boolean flag = true;
		for (int i = 0 ; i < 26; i++) {
			flag = (alpha[i] % 2 == 0);
			if (!flag)
				break;
		}
		
		if (flag)
			System.out.println("Yes");
		else
			System.out.println("No");
	} Scanner in = new Scanner(System.in); in new Scanner(System.in) int[] alpha = new int[26]; alpha new int[26] 26 char[] s = in.next().toCharArray(); s in.next().toCharArray() in.next().toCharArray in.next() in.next in for (int i = 0 ; i < s.length; i++) {
			alpha[s[i] - 'a']++;
		} int i = 0 ; int i = 0 ; i 0 i < s.length i s.length s s.length i++ i++ i {
			alpha[s[i] - 'a']++;
		} {
			alpha[s[i] - 'a']++;
		} alpha[s[i] - 'a']++ alpha[s[i] - 'a'] alpha s[i] - 'a' s[i] s i 'a' boolean flag = true; flag true for (int i = 0 ; i < 26; i++) {
			flag = (alpha[i] % 2 == 0);
			if (!flag)
				break;
		} int i = 0 ; int i = 0 ; i 0 i < 26 i 26 i++ i++ i {
			flag = (alpha[i] % 2 == 0);
			if (!flag)
				break;
		} {
			flag = (alpha[i] % 2 == 0);
			if (!flag)
				break;
		} flag = (alpha[i] % 2 == 0) flag (alpha[i] % 2 == 0) alpha[i] % 2 alpha[i] alpha i 2 0 if (!flag)
				break; !flag flag break; if (flag)
			System.out.println("Yes");
		else
			System.out.println("No"); flag 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 in = new Scanner(System.in);
		int[] alpha = new int[26];
		
		char[] s = in.next().toCharArray();
		for (int i = 0 ; i < s.length; i++) {
			alpha[s[i] - 'a']++;
		}
		
		boolean flag = true;
		for (int i = 0 ; i < 26; i++) {
			flag = (alpha[i] % 2 == 0);
			if (!flag)
				break;
		}
		
		if (flag)
			System.out.println("Yes");
		else
			System.out.println("No");
	}
} public class Main {
	public static void main(String args[]) {
		Scanner in = new Scanner(System.in);
		int[] alpha = new int[26];
		
		char[] s = in.next().toCharArray();
		for (int i = 0 ; i < s.length; i++) {
			alpha[s[i] - 'a']++;
		}
		
		boolean flag = true;
		for (int i = 0 ; i < 26; i++) {
			flag = (alpha[i] % 2 == 0);
			if (!flag)
				break;
		}
		
		if (flag)
			System.out.println("Yes");
		else
			System.out.println("No");
	}
} Main
import java.util.Scanner;

public class Main {
	public static void main(String args[]) {
		Scanner in = new Scanner(System.in);
		int[] alpha = new int[26];
		
		char[] s = in.next().toCharArray();
		for (int i = 0 ; i < s.length; i++) {
			alpha[s[i] - 'a']++;
		}
		
		boolean flag = true;
		for (int i = 0 ; i < 26; i++) {
			flag = (alpha[i] % 2 == 0);
			if (!flag)
				break;
		}
		
		if (flag)
			System.out.println("Yes");
		else
			System.out.println("No");
	}
}
