#include #include #include #include #include #include #include #include #include using namespace std; //#define int long long signed main() { int Nmax = 200; vectorG(Nmax + 1); G[0] = 0; G[1] = 1; G[2] = 1; set st; int t = 0; for (int i = 3; i <= Nmax; i++) { st.clear(); st.insert(G[i - 2]); st.insert(G[i - 3]); for (int j = 0; i - 4 - j > 0; j++) { st.insert(G[i - 4 - j] ^ G[j + 1]); } t = 0; G[i] = -1; for (auto s : st) { if (t != s) { G[i] = t; break; } t++; } if (G[i] == -1) G[i] = t; } int A[100]; int B[34]; for (int i = 0; i <= Nmax; i++) { if (i < 100) { A[i] = G[i]; } else { B[(i - 100) % 34] = G[i]; } } int N; cin >> N; vector a(N); for (int i = 0; i < N; i++) { cin >> a[i]; } sort(a.begin(), a.end()); int seq = 1; int Grundy = 0; for (int i = 0; i < N - 1; i++) { if (a[i] + 1 == a[i + 1]) { seq++; } else { if (seq < 100) { Grundy ^= A[seq]; } else { Grundy ^= B[(seq - 100) % 34]; } seq = 1; } } if (seq < 100) { Grundy ^= A[seq]; } else { Grundy ^= B[(seq - 100) % 34]; } if (Grundy > 0) { cout << "First" << endl; } else { cout << "Second" << endl; } return 0; }