#[allow(unused_imports)]
use std::cmp::{min,max};
#[allow(unused_imports)]
use std::collections::BTreeMap;
#[allow(unused_imports)]
use std::ops::*;
#[allow(unused_imports)]
use std::collections::BinaryHeap;

#[allow(unused_macros)]
macro_rules! tf {
    ($c:expr, $t:expr, $f:expr) => {{
        if $c { $t } else { $f }
    }};
}

fn is_prime(x: i64) -> bool {
    if x == 1 {
        return false;
    }
    for i in 2.. {
        if i * i > x {
            break;
        }
        if x % i == 0 {
            return false;
        }
    }
    true
}

fn main() {
    let (y,x) = {
        let xs = read_vec_i64();
        (xs[0], xs[1])
    };
    if is_prime(y) && is_prime(x) {
        println!("Second");
        return;
    }
    let y2 = {
        let mut res = y;
        for i in y+1.. {
            if is_prime(i) {
                res = i;
                break;
            }
        }
        res
    };
    let x2 = {
        let mut res = x;
        for i in x+1.. {
            if is_prime(i) {
                res = i;
                break;
            }
        }
        res
    };
    println!("{}", tf!(((y2-y)+(x2-x)) % 2 != 0, "First", "Second"));
}

#[allow(dead_code)]
fn read_line() -> String {
    let mut ret = String::new();
    std::io::stdin().read_line(&mut ret).ok();
    ret.pop();
    return ret;
}

#[allow(dead_code)]
fn read_i64() -> i64 {
    let ss = read_line();
    return ss.parse::<i64>().unwrap();
}

#[allow(dead_code)]
fn read_vec_i64() -> Vec<i64> {
    let mut res = vec![];
    let ss = read_line();
    for ts in ss.split_whitespace() {
        let x = ts.parse::<i64>().unwrap();
        res.push(x);
    }
    return res;
}

use std::fmt::Display;
#[allow(dead_code)]
fn write_vec<T: Display>(xs: &Vec<T>) {
    if xs.len() == 0 {
        println!("");
        return;
    }
    print!("{}", xs[0]);
    for i in 1..xs.len() {
        print!(" {}", xs[i]);
    }
    println!("");
}