#include <iostream>
#include <iomanip>
#include <vector>
using namespace std;

void Eratos(int length, vector<int>&);

void print(const vector<int>&);

int main()
{
	cout << "Enter a number from 2 to 300 to see all the prime numbers in between: ";
	int range;
	cin >> range;
	if (range >= 2 && range <= 300)
	{
		vector <int> v;

		cout << "Primes between 2 and " << range << ":" << endl;
		Eratos(range, v);
		print(v);
	}
	else
	{
		cout << "ERROR: Number must be from 2 to 300. Exiting program..." << endl;
	}
	return 0;
}

void Eratos(int length, vector<int>&v)
{
	for(int i = 2; i <= length; ++i)
	{
		v.push_back(i);
	}

	// Stumped here...
}

void print(const vector<int> &v)
{
	for(unsigned int i = 0; i < v.size(); ++i)
	{
		cout << setw(5) << v[i];
		if(i % 10 == 0)
		{
			cout << endl;
		}
	}
	cout << endl;
}