#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using ll=long long;
struct edge{
    int u,v,w;
    edge(int u,int v,int w):u(u),v(v),w(w){};
    edge(){}
};
int main()
{
    int m;
    cin>>m;
    vector<int> a(m);
    for(int i=0;i<m;i++)cin>>a[i];
    sort(a.begin(),a.end());
    vector<int> s;
    s.push_back(0);
    vector<edge> edges;
    int p=0;
    for(int i=0;i<m;i++){
        s.push_back(2*i+2);
        if(i==0)edges.push_back(edge(1,0,a[i]/2-p/2));
        else edges.push_back(edge(2*i+1,2*i-1,a[i]/2-p/2));
        edges.push_back(edge(2*i+1,2*i+2,a[i]/2));
        p=a[i];
    }
    cout<<2*m+1<<endl;
    for(auto e:edges)cout<<e.u+1<<" "<<e.v+1<<" "<<e.w<<endl;
    cout<<s.size()<<endl;
    for(int i=0;i<s.size();i++)cout<<s[i]+1<<" \n"[i+1==s.size()];

    return 0;
}