use std::io::*;
use std::str::*;

fn readw<T: FromStr, R: Read>(s: &mut R) -> Option<T> {
    let s = s.bytes().map(|c| c.unwrap() as char)
        .skip_while(|c| c.is_whitespace())
        .take_while(|c| !c.is_whitespace())
        .collect::<String>();
    if s.is_empty() {
        None
    } else {
        s.parse::<T>().ok()
    }
}

const MAX_M: usize = 30;

fn read<T: FromStr, R: Read>(s: &mut R) -> T {
    readw(s).unwrap()
}

fn grundy(n: u32, dp: &mut Vec<Option<u32>>) -> u32 {
    if let Some(res) = dp[n as usize] {
        res
    } else {
        let res = if n == 1 || n == 0 {
            n
        } else {
            let mut s = [false; MAX_M];
            s[grundy(n - 2, dp) as usize] = true;
            for i in 0..n-2 {
                s[(grundy(i, dp) ^ grundy(n - 3 - i, dp)) as usize] = true;
            }
            (0..MAX_M).find(|&x| !s[x]).unwrap() as u32
        };
        dp[n as usize] = Some(res);
        // println!("{} {}", n, res);
        res
    }
}

fn solve() {
    let s = stdin();
    let s = s.lock();
    let s = &mut BufReader::new(s);

    // for _ in 0..1 {
        let n: usize = read(s);
        let mut a: Vec<u32> = (0..n).map(|_| read(s)).collect();
        a.sort();

        let mut g = 0;
        let mut dp = vec![None; 32];
        let mut i = 0;
        while i < n {
            let mut j = i;
            while j + 1 < n && a[j + 1] == a[j] + 1 {
                j += 1;
            }
            // [i,j]
            let k = j - i + 1;
            g ^= grundy(k as u32, &mut dp);
            i = j + 1;
        }

        println!("{}", if g == 0 { "Second" } else { "First" });
// }
}

fn main() {
    let stack_size = 104_857_600; // 100 MB
    let thd = std::thread::Builder::new().stack_size(stack_size);
    thd.spawn(solve).unwrap().join().unwrap();
}