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

int main(){
    ios_base::sync_with_stdio(false);
    cin.tie(nullptr);

    int N; cin >> N;
    vector<int> A(N);
    for(auto &a : A) cin >> a;

    vector<tuple<int,int,int>> answer;
    while(answer.size() < 30){
        sort(A.begin(),A.end());
        int mina = A.at(0),maxa = A.back();
        int add = (maxa-mina+1)/2;
        int r = N-1;
        for(int i=0; i<N; i++) if(A.at(i)+add > maxa){r = i-1; break;}
        answer.push_back({0,r,add});
        for(int i=0; i<=r; i++) A.at(i) += add; 
    }
    cout << answer.size() << "\n";
    for(auto &[l,r,v] : answer) cout << l+1 << " " << r+1 << " " << v << "\n";
}