Andrew, Fedor and Alex are inventive guys. Now they invent the game with strings for two players.

Given a group of n non-empty strings. During the game two players build the word together, initially the word is empty. The players move in turns. On his step player must add a single letter in the end of the word, the resulting word must be prefix of at least one string from the group. A player loses if he cannot move.

Andrew and Alex decided to play this game k times. The player who is the loser of the i-th game makes the first move in the (i + 1)-th game. Guys decided that the winner of all games is the player who wins the last (k-th) game. Andrew and Alex already started the game. Fedor wants to know who wins the game if both players will play optimally. Help him.


-----Input-----

The first line contains two integers, n and k (1 ≤ n ≤ 10^5; 1 ≤ k ≤ 10^9).

Each of the next n lines contains a single non-empty string from the given group. The total length of all strings from the group doesn't exceed 10^5. Each string of the group consists only of lowercase English letters.


-----Output-----

If the player who moves first wins, print "First", otherwise print "Second" (without the quotes).


-----Examples-----
Input
2 3
a
b

Output
First

Input
3 1
a
b
c

Output
First

Input
1 2
ab

Output
Second

```python

USER_FILENAME = "<user_code>"
import sys, json, builtins
import math, heapq, bisect, itertools, functools, collections, statistics, fractions, decimal, operator, array, random, re, string, os, pathlib
try:
    import resource as _res
except Exception:
    _res = None
from collections import Counter, defaultdict, deque, OrderedDict
from functools import lru_cache, reduce
from itertools import accumulate, permutations, combinations, product
from math import gcd, ceil, floor, sqrt
from decimal import Decimal
try:
    from typing import *
except Exception:
    pass
try:
    sys.setrecursionlimit(1_000_000)
except Exception:
    pass
try:
    import site as _site
    try:
        _sys_sites = _site.getsitepackages() if hasattr(_site, "getsitepackages") else []
        for _p in _sys_sites:
            if _p and _p not in sys.path:
                sys.path.append(_p)
    except Exception:
        pass
    try:
        _usp = _site.getusersitepackages()
        if isinstance(_usp, str):
            _usp = [_usp]
        for _p in _usp:
            if _p and _p not in sys.path:
                sys.path.append(_p)
    except Exception:
        pass
except Exception:
    pass

ns = {"__name__": "__main__"}
for _k, _v in list(globals().items()):
    if not _k.startswith("_"):
        ns[_k] = _v
_CODE = "from sys import stdin, setrecursionlimit\n\nsetrecursionlimit(200000)\n\nn,k = [int(x) for x in stdin.readline().split()]\n\ntree = {}\n\nfor x in range(n):\n  s = stdin.readline().strip()\n\n  cur = tree\n  \n  for x in s:\n    if not x in cur:\n      cur[x] = {}\n\n    cur = cur[x]\n\ndef forced(tree):\n  if not tree:\n    return (False,True)\n  else:\n    win = False\n    lose = False\n    for x in tree:\n      a,b = forced(tree[x])\n      if not a:\n        win = True\n      if not b:\n        lose = True\n    return (win,lose)\n\na,b = forced(tree)\n\nif a == 0:\n  print('Second')\nelif a == 1 and b == 1:\n  print('First')\nelse:\n  if k%2 == 0:\n    print('Second')\n  else:\n    print('First')\n"
_co = compile(_CODE, USER_FILENAME, "exec")
exec(_co, ns, ns)

```

Measured memory_bytes: 13403