w = eval(input())

ww = set(w)

check = []

ans = 0



for i in ww:

    check.append(w.count(i))



for i in check:

    if i % 2 != 0:

        print('No')

        break

else:

    print('Yes')
w = eval(input())

for i in set(list(w)):

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

        print('No')

        break

else:

    print('Yes')
w = eval(input())
ww = set(w)
check = []
ans = 0
for i in ww:
    check.append(w.count(i))
for i in check:
    if i % 2 != 0:
        print("No")
        break
else:
    print("Yes")

w = eval(input())
for i in set(list(w)):
    if w.count(i) % 2 != 0:
        print("No")
        break
else:
    print("Yes")

-ww = set(w) -check = [] -ans = 0 -for i in ww: -    check.append(w.count(i)) -for i in check: -    if i % 2 != 0: +for i in set(list(w)): +    if w.count(i) % 2 != 0: