#include <bits/stdc++.h>
using namespace std;

int main()
{
	auto is_prime = [](int64_t n) {
		for (int64_t i = 2; i * i <= n; i++)
		{
			if (n % i == 0)
			{
				return false;
			}
		}
		return true;
	};
	int64_t x, y;
	cin >> x >> y;
	int64_t xp = x, yp = y;
	while (!is_prime(xp))
	{
		xp++;
	}
	while (!is_prime(yp))
	{
		yp++;
	}
	if ((xp == x) || (yp == y))
	{
		cout << "First" << endl;
		return 0;
	}
	cout << ((((xp - x) + (yp - y)) % 2) ? "First" : "Second") << endl;
	return 0;
}