#include <bits/stdc++.h>
using namespace std;
int main(){
  int N, K;
  cin >> N >> K;
  vector<int> T(K);
  for (int i = 0; i < K; i++){
    cin >> T[i];
  }
  vector<int> U(K);
  for (int i = 0; i < K; i++){
    cin >> U[i];
  }
  mt19937 mt(0);
  vector<int> B(N), M(N), E(N);
  for (int i = 0; i < N; i++){
    B[i] = mt() % 1000 + 1;
    M[i] = mt() % 1000 + 1;
    E[i] = mt() % 1000 + 1;
    if (M[i] > B[i]){
      swap(M[i], B[i]);
    }
  }
  for (int i = 0; i < N; i++){
    cout << B[i] << ' ' << M[i] << ' ' << E[i] << endl;
  }
}