#include <bits/stdc++.h>
using namespace std;

const int MAXN = 70;

int sg[MAXN];
int dfs(int x) {
  if (x < 0) return 0;
  if (~sg[x]) return sg[x];
  set<int> bag;
  if (x == 1) bag.emplace(dfs(x - 1));
  else bag.emplace(dfs(x - 2));
  for (int i = 1; i + 1 < x; ++i) bag.emplace(dfs(i - 1) ^ dfs(x - (i + 1) - 1));
  for (int i = 0; ; ++i) if (!bag.count(i)) return sg[x] = i;
}

signed main() {
  memset(sg, 0xff, sizeof(sg));
  sg[0] = 0;

  auto get_sg = [&](int n) {
    if (n < 35) return dfs(n);
    int t = n - 35;
    return dfs(35 + t % 34);
  };

  ios::sync_with_stdio(false);

  int N;
  cin >> N;

  vector<int> A(N);
  for (int i = 0; i < N; ++i) cin >> A[i];
  sort(A.begin(), A.end());

  int ans = 0;
  for (int i = 0; i < N; ++i) {
    int j = i + 1;
    while (j < N && A[j] == A[j - 1] + 1) ++j;
    ans ^= get_sg(j - i) % 6;
    i = j - 1;
  }
  cout << (ans == 0 ? "Second" : "First") << endl;
}