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

int N;

signed main(){
  cin>>N;
  int M = 0;
  vector<string> ans;
  vector<int> A(N);
  for(int i = 0; i < N; i++) cin>>A[i];
  for(int i = 29; i >= 0; i--){
    int now = (1<<i);
    int cnt = 0;
    for(int j = 0; j < N; j++){
      if(!(A[j] & now)) cnt++;
    }
    if(cnt == 0) continue;
    M++;
    ans.push_back(to_string(1) + " " + to_string(cnt) + " " + to_string(now));
  }
  cout << M << endl;
  for(int i = 0; i < M; i++) cout << ans[i] << endl;
}