using namespace std;

class Tokenizer {
public:
	static vector<string> split(string haystack, string separator) {
		vector<string> result;
		int startPosion = 0;

		while (true) {	
			while (haystack[startPosion] == 32){
				startPosion += 1;		
			}
			size_t foundPos = haystack.find(separator, startPosion);
			if (foundPos != string::npos) {
				string token = haystack.substr(startPosion, foundPos - startPosion);
				result.push_back(token);
				startPosion = separator.length() + foundPos;
			}
			else {
				string token = haystack.substr(startPosion, separator.length() - startPosion);
				result.push_back(token);
				break;
			}
		}

		return result;
	}
};

int sum(vector<int> numbers)
{
	int sum = 0;
	for (int i = 0; i < numbers.size(); i++) {
		sum += numbers[i];
	}
	return sum;
}

int min(vector<int> numbers)
{
	int min = numbers[0];
	for (int i = 0; i < numbers.size(); i++) {
		if (min >numbers[i]){
			min = numbers[i];
		}	
	}
	return min;
}

bool Prime(int x){
	if (x < 2)
		return false;
	for (int i = 2; i <= x / 2; i++){
		if (x % i == 0) {
			return false;
		}
	}
	return true;
}
void printPrime(vector<int> numbers)
{
	for (int i = 0; i < numbers.size(); i++) {
		if (Prime(numbers[i])){
			cout << numbers[i] << " ";
		}
	}
}
double avg(vector<int> numbers){
	int sum = 0;
	for (int i = 0; i < numbers.size(); i++) {
		sum += numbers[i];
	}
	return (double)sum / numbers.size();
}
int main()
{
	string haystack = " 1  4 5 7 3 0";
	string separator = " ";

	vector<string> tokens = Tokenizer::split(haystack, separator);
	vector<int> numbers;
	int temp;

	for (int i = 0; i < tokens.size(); i++) {
		temp = stoi(tokens[i]);
		numbers.push_back(temp);
	}
	cout << "sum: " << sum(numbers) << endl;
	cout << "min: " << min(numbers) << endl;
	cout << "Prime: ";
	printPrime(numbers);
	cout << "\nAVG: " << avg(numbers) << endl;
}