Problem:
Score : 200 points

Problem Statement

Let w be a string consisting of lowercase letters.
We will call w beautiful if the following condition is satisfied:

Each lowercase letter of the English alphabet occurs even number of times in w.

You are given the string w. Determine if w is beautiful.

Constraints

1 \leq |w| \leq 100

w consists of lowercase letters (a-z).

Input

The input is given from Standard Input in the following format:

w

Output

Print Yes if w is beautiful. Print No otherwise.

Sample Input 1

abaccaba

Sample Output 1

Yes

a occurs four times, b occurs twice, c occurs twice and the other letters occur zero times.

Sample Input 2

hthth

Sample Output 2

No

Solution in Python (3.8.2) (judge verdict: Wrong Answer)

w=input()
count1=0
if(len(w)==1):
	count1+=0
	
for i in range(0,len(w)):
	a=w.count(w[i])
	if(a%2==0):
		count1+=1
	elif(a%2 != 0):
		count1-=1
		
if(count1>0):
	print("Yes")
elif(count1<0):
	print("No")
elif(count==0):
	print("Yes")