#include #include using namespace std; typedef long long ll; bool isprime(ll a){ if(a == 1) return false; if(a == 2) return true; if(a%2 == 0) return false; for(ll i = 3; i <= sqrt(a); i+=2){ if(a%i == 0) return false; } return true; } int main(){ ll y, x; cin >> y >> x; ll toy = y, tox = x; while(!isprime(toy)){ if(toy%2 == 0) toy++; else toy += 2; } while(!isprime(tox)){ if(tox%2 == 0) tox++; else tox += 2; } ll hands = toy-y + tox-x; // -2 if(hands % 2 == 0) cout << "Second" << endl; else cout << "First" << endl; return 0; }