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

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

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

    return 0;
}