w = eval(input())

ans =1

for i in w:

  if w.count(i) %2 !=0:

    ans =0

print(('Yes' if ans==1 else 'No'))
w = eval(input())

l = list(set(w))

ans =0

for i in range(len(l)):

  a = w.count(l[i])

  if a %2 !=0:

    ans =1

print(('Yes' if ans ==0 else 'No'))
w = eval(input())
ans = 1
for i in w:
    if w.count(i) % 2 != 0:
        ans = 0
print(("Yes" if ans == 1 else "No"))

w = eval(input())
l = list(set(w))
ans = 0
for i in range(len(l)):
    a = w.count(l[i])
    if a % 2 != 0:
        ans = 1
print(("Yes" if ans == 0 else "No"))

-ans = 1 -for i in w: -    if w.count(i) % 2 != 0: -        ans = 0 -print(("Yes" if ans == 1 else "No")) +l = list(set(w)) +ans = 0 +for i in range(len(l)): +    a = w.count(l[i]) +    if a % 2 != 0: +        ans = 1 +print(("Yes" if ans == 0 else "No"))