#include #define rep(i,a,b) for(int i=a;i=b;i--) #define fore(i,a) for(auto &i:a) #define all(x) (x).begin(),(x).end() using namespace std; void _main(); int main() { cin.tie(0); ios::sync_with_stdio(false); _main(); } typedef long long ll; const int inf = INT_MAX / 2; const ll infl = 1LL << 60; templatebool chmax(T &a, const T &b) { if (abool chmin(T &a, const T &b) { if (b gr; gr.insert(g(x - 2)); gr.insert(g(x - 3)); if (5 <= x) { rep(i, 1, x) { int j = x - i - 3; if (1 <= j) gr.insert(g(i) ^ g(j)); } } int res = 0; while (gr.count(res)) res++; return memo[x] = res; } //--------------------------------------------------------------------------------------------------- void _main() { cin >> N; rep(i, 0, N) cin >> A[i]; sort(A, A + N); rep(i, 0, 501010) memo[i] = -1; //rep(i, 0, 1010) printf("%d : %d\n", i, g(i)); int L = 0; int gr = 0; while (L < N) { int i = L + 1; while (i < N and A[i] <= A[i - 1] + 1) i++; int len = A[i - 1] - A[L] + 1; gr ^= g(len); L = i; } if (gr == 0) printf("Second\n"); else printf("First\n"); }