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.
# x2 = list(map(int, input("").strip().split()))[:n]


def main():
    """Main function"""
    s = input("")
    t = input("")
    new_string, length, integer = "", len(s), len(s)
    for i in range(length-1):
        integer -= 1
        new_string += s[integer]
    new_string += s[0]
    #print(new_string)
    if new_string == t:
        return "YES"
    else:
        return "NO"


print(main())
