#include <cstdio>
#include <algorithm>

using namespace std;

int a[100001];

int main() {
	int i, j, n, r = 1;
	scanf("%d", &n);
	for (i = 0; i < n; i++) scanf("%d", &a[i]);
	sort(a, a + n);
	reverse(a, a + n);
	for (i = 0; a[i + 1] > i + 1; i++);
	if ((a[i] - i) % 2 == 0) r = 0;
	for (j = i + 1; a[j] > i; j++);
	if ((j - i) % 2 == 0) r = 0;
	puts(r ? "Second" : "First");
}