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


int main()
{
	vector<int>v;
	v.resize(10);
	vector<pair<int, int>> p;
	for (int i = 0; i < 10; i++)
	{
		cin >> v[i];
		if (v[i] > 0)
			p.push_back(make_pair(i, v[i]));
	}


	/*
	Take care of the non-integer constant case
	*/
	if ((p[1].second - p[0].second) % (p[1].first - p[0].first) != 0)
	{
		cout << -1 << endl;
		return 0;
	}

	//find arithetic sequence
	int constant = (p[1].second - p[0].second) / (p[1].first - p[0].first);
	int first = p[0].second - p[0].first * constant;

	//generate sequence
	cout << first;
	for (int i = 1; i < 10; i++)
		cout << " " << first + i*constant;
	cout << endl;
	int k;
	cin >> k;

	return 0;
}