#include <algorithm>
#include <iostream>
#include <vector>

int main() {
    int k;
    std::cin >> k;
    std::vector<int> d(k);
    for (auto &e : d) std::cin >> e;
    std::sort(d.rbegin(), d.rend());

    std::cout << 2 * k << '\n';
    int u = 1, w = d[0];
    for (int i = 1; i < k; ++i) {
        std::cout << u << ' ' << u + 2 << ' ' << w - d[i] / 2 << '\n';
        std::cout << u + 1 << ' ' << u + 2 << ' ' << d[i] / 2 << '\n';
        u += 2;
        w = d[i] / 2;
    }
    std::cout << u << ' ' << u + 1 << ' ' << w << '\n';
    std::cout << k + 1 << '\n';
    std::cout << 1;
    for (int i = 1; i <= k; ++i) {
        std::cout << ' ' << 2 * i;
    }
    std::cout << '\n';
}