#include <stdio.h>
#include <atcoder/all>
#include <bits/stdc++.h>
using namespace std;
using namespace atcoder;
using mint = modint998244353;
#define rep(i,n) for (int i = 0; i < (n); ++i)
#define Inf32 1000000005
#define Inf64 4000000000000000001LL

int main(){
	
	int n;
	cin>>n;
	
	vector<int> a(n);
	rep(i,n)cin>>a[i];
	vector<int> l,r,v;
	for(int i=29;i>=0;i--){
		int ma = -1;
		rep(j,n){
			if(0==((a[j]>>i)&1))ma = j;
		}
		if(ma==-1)continue;
		l.push_back(1);
		r.push_back(ma+1);
		v.push_back(1<<i);
		rep(j,ma+1)a[j] += 1<<i;
		sort(a.begin(),a.end());
	}
	cout<<l.size()<<endl;
	rep(i,l.size()){
		cout<<l[i]<<' '<<r[i]<<' '<<v[i]<<endl;
	}
	return 0;
}