The translation from the Berland language into the Birland language is not an easy task. Those languages are very similar: a berlandish word differs from a birlandish word with the same meaning a little: it is spelled (and pronounced) reversely. For example, a Berlandish word code corresponds to a Birlandish word edoc. However, it's easy to make a mistake during the «translation». Vasya translated word *s* from Berlandish into Birlandish as *t*. Help him: find out if he translated the word correctly.
The first line contains word *s*, the second line contains word *t*. The words consist of lowercase Latin letters. The input data do not consist unnecessary spaces. The words are not empty and their lengths do not exceed 100 symbols.
s = input()
t = input()
s_list = []
s_listrev = []
for a in s:
    s_list.append(a)


for y in range(1,len(s_list),1):
    s_listrev.append(s_list[-y])
s_listrev.append(s_list[0])

x = "".join(s_listrev)
if x == t:
    print("YES")
else:
    print("NO")