#include #include #include #include #include #include #include using namespace std; /*bool is_prime(int n){ if(n<=1)return false; if(n==2)return true; for(int i=2;i<=sqrt(n);i++){ if(n%i==0)return false; } return true; } vector find_primes(vector n){ vector res; for(unsigned i=0;i sieve_of_eratosthenes(int n) { // Create a boolean array "prime[0..n]" and initialize // all entries as true initially. A value in prime[i] will // finally be false if i is Not a prime, else true. vectorprime(n+1,true); //memset(prime, true, sizeof(prime)); for (int p=2; p*p<=n; p++) { // If prime[p] is not changed, then it is a prime if (prime[p] == true) { // Update all multiples of p for (int i=p*p; i<=n; i += p) prime[i] = false; } } vectorres; for (int p=2; p<=n; p++) if (prime[p]) res.push_back(p); return res; } int main() { int g; cin>>g; for(int i=0;i>n; vectorprimes = sieve_of_eratosthenes(n); if(primes.size()%2==0)cout<<"Bob"<