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.
while True:
  try:
    a = input()
  except EOFError:
    break
  b = input()
  if len(a) != len(b):
    print("NO")
    continue
  bandera = 1
  for value in range(len(a)):
    if a[value] != b[len(a)-value-1]:
      bandera = 0
      break
  if bandera:
    print("YES")
  else:
    print("NO")
    
