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()
check = 1
if len(s) == len(t):
    i = len(t) - 1
    j = 0
    while j != len(t) -1:
        if s[j] == t[i]:
         check &= 1
        else:
            check &= 0
        j += 1
        i -= 1
    if check == 1:
        print("YES")
    else:
        print("NO")
else:
    print("NO")