#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <cstdio>
#include <cstring>
#include <cmath>
using namespace std;
using ll = long long;

int is_prime(int n) {
    if (n < 2) return 0;
    int m = (int)sqrt(n);
    for (int i = 2; i <= m; i++) {
        if (n % i == 0) return 0;
    }
    return 1;
}

int next_prime(int n) {
    while (!is_prime(n)) n++;
    return n;
}

int foo() {
    int y, x;
    cin >> y >> x;

    if (is_prime(y) && is_prime(x)) {
        return 0;
    }

    if (y == 2 || x == 2) return 0;

    int i = next_prime(y + 1);
    int j = next_prime(x + 1);

    return (i - y + j - x) % 2;
}

int main() {
    cout << (foo() ? "First" : "Second") << endl;

    return 0;
}