#include <bits/stdc++.h>
using namespace std;
const int N = 2e5 + 5;
const int INF = 1e9;
const long long mod = 1e9 + 7;
long long n, arr[N];
int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  cout.tie(NULL);
  cin >> n;
  for (int i = 1; i <= n; i++) {
    cin >> arr[i];
  }
  if (n == 1) {
    cout << 1 << ' ' << 1 << endl;
    cout << -arr[1] << endl;
    cout << 1 << ' ' << 1 << endl;
    cout << 0 << endl;
    cout << 1 << ' ' << 1 << endl;
    cout << 0 << endl;
  } else {
    cout << 1 << " " << 1 << endl;
    cout << -arr[1] << endl;
    cout << 2 << " " << n << endl;
    for (int i = 2; i <= n; i++) {
      cout << (n - 1) * arr[i] << " ";
    }
    cout << endl;
    cout << 1 << " " << n << endl;
    for (int i = 1; i <= n; i++) {
      if (i == 1)
        cout << 0 << " ";
      else
        cout << -n * arr[i] << " ";
    }
    cout << endl;
  }
}
