#include <stdio.h>
#include <bits/stdc++.h>
#include <atcoder/all>
using namespace atcoder;
using mint = modint998244353;
using namespace std;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf32 1000000000
#define Inf64 1000000000000000001LL

int main(){
	
	int K;
	cin>>K;
	vector<int> d(K);
	rep(i,K)cin>>d[i];
	sort(d.rbegin(),d.rend());
	rep(i,K)d[i] /= 2;
	vector<int> ss;
	vector<int> u,v,w;
	int cur = 1;
	int rem = d[0];
	rep(i,d.size()){
		u.push_back(cur);
		v.push_back(cur+1);
		w.push_back(rem);
		ss.push_back(cur+1);
		if(i==d.size()-1){
			u.push_back(cur);
			v.push_back(cur+2);
			w.push_back(rem);
			ss.push_back(cur+2);
			cur += 2;
		}
		else{
			u.push_back(cur);
			v.push_back(cur+2);
			w.push_back(d[i]-d[i+1]);
			rem -= w.back();
			cur += 2;
		}
		
	}
	
	cout<<cur<<endl;
	rep(i,u.size()){
		cout<<u[i]<<" "<<v[i]<<" "<<w[i]<<endl;
	}
	cout<<ss.size()<<endl;
	rep(i,ss.size()){
		cout<<ss[i];
		if(i!=ss.size()-1)cout<<' ';
		else cout<<endl;
	}
	return 0;
}