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

using ll = long long;

bool chmin(auto &a, auto b) { return a > b ? a = b, true : false; }
bool chmax(auto &a, auto b) { return a < b ? a = b, true : false; }

int main() {
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    int N;
    cin >> N;
    vector<int> A(N);
    for (int i = 0; i < N; i++) cin >> A[i];
    cout << 30 << '\n';
    for (int k = 29; k >= 0; k--) {
        int l = 0, r = 0;
        while (r < N && !(A[r] >> k & 1)) r++;
        cout << l + 1 << ' ' << r << ' ' << (1 << k) << '\n';
        for (int i = l; i < r; i++) A[i] += 1 << k;
        sort(A.begin(), A.end());
    }
    // for (int i = 0; i < N; i++) cout << A[i] << " \n"[i + 1 == N];
}