import java.util.*;

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

        char[] s = sc.next().toCharArray();

        int c = 'a';
        int[] cnt = new int[26];
        for (int i = 0; i < s.length; i++) {
            cnt[s[i] - c]++;
        }
        
        boolean ans = true;
        for (int i = 0; i < 26; i++) {
            if (cnt[i] != 0 && cnt[i] % 2 == 1)
                ans = false;
        }

        System.out.println(ans ? "Yes" : "No");
    }
} import java.util.*; util.* java public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        char[] s = sc.next().toCharArray();

        int c = 'a';
        int[] cnt = new int[26];
        for (int i = 0; i < s.length; i++) {
            cnt[s[i] - c]++;
        }
        
        boolean ans = true;
        for (int i = 0; i < 26; i++) {
            if (cnt[i] != 0 && cnt[i] % 2 == 1)
                ans = false;
        }

        System.out.println(ans ? "Yes" : "No");
    }
} Main public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        char[] s = sc.next().toCharArray();

        int c = 'a';
        int[] cnt = new int[26];
        for (int i = 0; i < s.length; i++) {
            cnt[s[i] - c]++;
        }
        
        boolean ans = true;
        for (int i = 0; i < 26; i++) {
            if (cnt[i] != 0 && cnt[i] % 2 == 1)
                ans = false;
        }

        System.out.println(ans ? "Yes" : "No");
    } main {
        Scanner sc = new Scanner(System.in);

        char[] s = sc.next().toCharArray();

        int c = 'a';
        int[] cnt = new int[26];
        for (int i = 0; i < s.length; i++) {
            cnt[s[i] - c]++;
        }
        
        boolean ans = true;
        for (int i = 0; i < 26; i++) {
            if (cnt[i] != 0 && cnt[i] % 2 == 1)
                ans = false;
        }

        System.out.println(ans ? "Yes" : "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 int c = 'a'; c 'a' int[] cnt = new int[26]; cnt new int[26] 26 for (int i = 0; i < s.length; i++) {
            cnt[s[i] - c]++;
        } int i = 0; int i = 0; i 0 i < s.length i s.length s s.length i++ i++ i {
            cnt[s[i] - c]++;
        } {
            cnt[s[i] - c]++;
        } cnt[s[i] - c]++ cnt[s[i] - c] cnt s[i] - c s[i] s i c boolean ans = true; ans true for (int i = 0; i < 26; i++) {
            if (cnt[i] != 0 && cnt[i] % 2 == 1)
                ans = false;
        } int i = 0; int i = 0; i 0 i < 26 i 26 i++ i++ i {
            if (cnt[i] != 0 && cnt[i] % 2 == 1)
                ans = false;
        } {
            if (cnt[i] != 0 && cnt[i] % 2 == 1)
                ans = false;
        } if (cnt[i] != 0 && cnt[i] % 2 == 1)
                ans = false; cnt[i] != 0 && cnt[i] % 2 == 1 cnt[i] != 0 cnt[i] cnt i 0 cnt[i] % 2 == 1 cnt[i] % 2 cnt[i] cnt i 2 1 ans = false ans false System.out.println(ans ? "Yes" : "No") System.out.println System.out System System.out ans ? "Yes" : "No" ans "Yes" "No" String[] args args public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        char[] s = sc.next().toCharArray();

        int c = 'a';
        int[] cnt = new int[26];
        for (int i = 0; i < s.length; i++) {
            cnt[s[i] - c]++;
        }
        
        boolean ans = true;
        for (int i = 0; i < 26; i++) {
            if (cnt[i] != 0 && cnt[i] % 2 == 1)
                ans = false;
        }

        System.out.println(ans ? "Yes" : "No");
    }
} public class Main {
    public static void main(String[] args) {
        Scanner sc = new Scanner(System.in);

        char[] s = sc.next().toCharArray();

        int c = 'a';
        int[] cnt = new int[26];
        for (int i = 0; i < s.length; i++) {
            cnt[s[i] - c]++;
        }
        
        boolean ans = true;
        for (int i = 0; i < 26; i++) {
            if (cnt[i] != 0 && cnt[i] % 2 == 1)
                ans = false;
        }

        System.out.println(ans ? "Yes" : "No");
    }
} Main
import java.util.*;

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

        char[] s = sc.next().toCharArray();

        int c = 'a';
        int[] cnt = new int[26];
        for (int i = 0; i < s.length; i++) {
            cnt[s[i] - c]++;
        }
        
        boolean ans = true;
        for (int i = 0; i < 26; i++) {
            if (cnt[i] != 0 && cnt[i] % 2 == 1)
                ans = false;
        }

        System.out.println(ans ? "Yes" : "No");
    }
}
