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

int main() {
	vector<int> vec;
	ofstream steps("steps.txt");
	int n;
	std::cout << "Write a number:";
	cin >> n;
	vec.push_back(n);

	while (n != 1)
	{
		if (n % 2 == 0) {
			n = n / 2;
			vec.push_back(n);
		}
		else {
			n = 3 * n + 1;
			vec.push_back(n);
		}
	}
	int i = 0;

	while (i < vec.size()-1)
	{
		steps << vec[i] << ",";
		i++;
		// es axal xazs iwyebs texstshi yovel 10 ricxvis shemdeg, yvela step ert xazze rom ar iyos. bevri step sheidzleba daschirdes.
		if (i % 10 == 0)
			steps << endl;
	}

	steps << vec[vec.size() - 1];

	steps.close();



}