#include <bits/stdc++.h>
using namespace std;
const int inf = 1e9 + 5;
const long long linf = 1e18 + 5;
const int N = 1e5 + 5;
const int A = 26;
int n, m, size, a[N][26];
map<pair<int, int>, int> dp, dp1;
string s;
bool can_win(int k, int t) {
  if (dp[make_pair(k, t)]) return dp[make_pair(k, t)] == 2;
  bool ret = 0;
  for (int i = 0; i <= A - 1; i++)
    if (a[t][i]) ret |= !can_win(k + 1, a[t][i]);
  dp[make_pair(k, t)] = ret + 1;
  return ret;
}
bool can_lose(int k, int t) {
  if (dp1[make_pair(k, t)]) return dp1[make_pair(k, t)] == 2;
  bool ret = 0, flag = 0;
  for (int i = 0; i <= A - 1; i++)
    if (a[t][i]) {
      ret |= !can_lose(k + 1, a[t][i]);
      flag = 1;
    }
  if (!flag) ret = 1;
  dp[make_pair(k, t)] = ret + 1;
  return ret;
}
int main() {
  ios ::sync_with_stdio(0);
  cin >> n >> m;
  size = 1;
  for (int i = 1; i <= n; i++) {
    cin >> s;
    int now = 1;
    for (__typeof(s.begin()) it = s.begin(); it != s.end(); it++) {
      (*it) -= 'a';
      if (!a[now][*it]) a[now][*it] = ++size;
      now = a[now][*it];
    }
  }
  bool win = can_win(1, 1);
  bool lose = can_lose(1, 1);
  cerr << ("win") << " --> " << (win) << ' ',
      cerr << ("lose") << " --> " << (lose) << '\n';
  if (win and lose)
    cout << "First" << '\n';
  else if (!win and !lose)
    cout << "Second" << '\n';
  else if (win and m & 1)
    cout << "First" << '\n';
  else
    cout << "Second" << '\n';
  cerr << "Tooks " << (double)clock() / CLOCKS_PER_SEC << " seconds." << '\n';
  return 0;
}
