import java.util.Scanner;

public class Main {

	public static void main (String[] args) {
		Scanner scan = new Scanner(System.in);
		String[] w = scan.next().split("");
		for(String s1:w) {
			int c = 0;
			for(String s2:w) {
				if(s1.equals(s2))c++;
			}
			if(c%2==1) {
				System.out.println("No");
				System.exit(0);
			}
		}
		System.out.println("Yes");
	}

} import java.util.Scanner; Scanner java.util public class Main {

	public static void main (String[] args) {
		Scanner scan = new Scanner(System.in);
		String[] w = scan.next().split("");
		for(String s1:w) {
			int c = 0;
			for(String s2:w) {
				if(s1.equals(s2))c++;
			}
			if(c%2==1) {
				System.out.println("No");
				System.exit(0);
			}
		}
		System.out.println("Yes");
	}

} Main public static void main (String[] args) {
		Scanner scan = new Scanner(System.in);
		String[] w = scan.next().split("");
		for(String s1:w) {
			int c = 0;
			for(String s2:w) {
				if(s1.equals(s2))c++;
			}
			if(c%2==1) {
				System.out.println("No");
				System.exit(0);
			}
		}
		System.out.println("Yes");
	} main {
		Scanner scan = new Scanner(System.in);
		String[] w = scan.next().split("");
		for(String s1:w) {
			int c = 0;
			for(String s2:w) {
				if(s1.equals(s2))c++;
			}
			if(c%2==1) {
				System.out.println("No");
				System.exit(0);
			}
		}
		System.out.println("Yes");
	} Scanner scan = new Scanner(System.in); scan new Scanner(System.in) String[] w = scan.next().split(""); w scan.next().split("") scan.next().split scan.next() scan.next scan "" for(String s1:w) {
			int c = 0;
			for(String s2:w) {
				if(s1.equals(s2))c++;
			}
			if(c%2==1) {
				System.out.println("No");
				System.exit(0);
			}
		} String s1 w {
			int c = 0;
			for(String s2:w) {
				if(s1.equals(s2))c++;
			}
			if(c%2==1) {
				System.out.println("No");
				System.exit(0);
			}
		} {
			int c = 0;
			for(String s2:w) {
				if(s1.equals(s2))c++;
			}
			if(c%2==1) {
				System.out.println("No");
				System.exit(0);
			}
		} int c = 0; c 0 for(String s2:w) {
				if(s1.equals(s2))c++;
			} String s2 w {
				if(s1.equals(s2))c++;
			} {
				if(s1.equals(s2))c++;
			} if(s1.equals(s2))c++; s1.equals(s2) s1.equals s1 s2 c++ c if(c%2==1) {
				System.out.println("No");
				System.exit(0);
			} c%2==1 c%2 c 2 1 {
				System.out.println("No");
				System.exit(0);
			} System.out.println("No") System.out.println System.out System System.out "No" System.exit(0) System.exit System 0 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 scan = new Scanner(System.in);
		String[] w = scan.next().split("");
		for(String s1:w) {
			int c = 0;
			for(String s2:w) {
				if(s1.equals(s2))c++;
			}
			if(c%2==1) {
				System.out.println("No");
				System.exit(0);
			}
		}
		System.out.println("Yes");
	}

} public class Main {

	public static void main (String[] args) {
		Scanner scan = new Scanner(System.in);
		String[] w = scan.next().split("");
		for(String s1:w) {
			int c = 0;
			for(String s2:w) {
				if(s1.equals(s2))c++;
			}
			if(c%2==1) {
				System.out.println("No");
				System.exit(0);
			}
		}
		System.out.println("Yes");
	}

} Main
import java.util.Scanner;

public class Main {

	public static void main (String[] args) {
		Scanner scan = new Scanner(System.in);
		String[] w = scan.next().split("");
		for(String s1:w) {
			int c = 0;
			for(String s2:w) {
				if(s1.equals(s2))c++;
			}
			if(c%2==1) {
				System.out.println("No");
				System.exit(0);
			}
		}
		System.out.println("Yes");
	}

}