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

bool p(int a)
{
    if (a < 2) return 0;
    if (a == 2) return 1;

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

    int a = x, b = y;
    if (p(a)) a++;
    if (p(b)) b++;

    for (; !p(a); a++);
    for (; !p(b); b++);

    int t = a + b - x - y;
    cerr << a << " " << b << " " << t << endl;
    
    cout << (t % 2 ? "First" : "Second") << endl;

    return 0;
}