#include using namespace std; #define pb push_back #define mp make_pair #define all(x) (x).begin(),(x).end() #define rep(i,n) for(int i=0;i<(n);i++) constexpr int MOD = 1000000007; typedef long long ll; typedef unsigned long long ull; typedef pair pii; typedef pair pll; constexpr int dx[] = {1, 0, -1, 0, 1, 1, -1, -1}; constexpr int dy[] = {0, -1, 0, 1, 1, -1, -1, 1}; template ostream &operator<<(ostream &os, const vector &vec){os << "["; for (const auto &v : vec) {os << v << ","; } os << "]"; return os; } bool isprime(ll x) { if (x == 2) return true; bool flag = true; for(int j = 2; j * j <= x; j++) { if (x % j == 0) { flag = false; break; } } return flag; } ll p(ll x) { for(ll i = x + 1; ; i++) { if (isprime(i)) { return i; } } } void solve() { ll X, Y; cin >> X >> Y; ll pX = p(X) - 1; ll pY = p(Y) - 1; ll s = (pX - X) + (pY - Y); if (s % 2 == 0) { cout << "Second" << endl; } else { cout << "First" << endl; } } int main() { std::cin.tie(0); std::ios::sync_with_stdio(false); cout.setf(ios::fixed); cout.precision(16); solve(); return 0; }