#include "bits/stdc++.h"
using namespace std;

using ll = long long;
using P = pair<ll, ll>;
const ll INF = (1LL << 61);
ll mod = 998244353;
signed main() {
	ios::sync_with_stdio(false);
	cin.tie(0);
	int N; cin >> N;
	for (int i = 0; i < N; i++) {
		cout << 2 * (i + 1);
		if (i == N - 1)cout << endl;
		else cout << " ";
	}
	return 0;
}