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

bool p(int n)
{
	if (n == 1) return 0;
	for (int i = 2; i * i <= n; i++)
		if (n % i == 0) return 0;
	return 1;
}
int main()
{
	int y, x, t;
	cin >> y >> x, t = x + y;

	x += p(x), y += p(y);
	if (p(x) || p(y)) return cout << "Second" << endl, 0;

	for (; !p(x++););
	for (; !p(y++););
	cout << ((x + y - t) % 2 ? "First" : "Second") << endl;

	return 0;
}