#include <bits/stdc++.h>

#define all(x) begin(x),end(x)

using namespace std;
using ll = long long;
using ld = long double;

vector<int> parseString(string s) {
  vector<int> res;
  int pre = 0;
  for (int i = 0; i < int(s.size()); i++) {
    if (s[i] == ' ') {
      res.push_back(stoi(s.substr(pre, i - pre)));
      pre = i + 1;
    }
  }
  if (!s.empty()) {
    res.push_back(stoi(s.substr(pre, int(s.size()) - pre)));
  }
  return res;
}

void solve() {
  string s;
  getline(cin, s);
  int n, m;
  {
    auto v = parseString(s);
    n = v[0];
    m = v[1];
  }
  vector<int> c(m);
  for (int i = 0; i < m; i++) {
    getline(cin, s);
    auto v = parseString(s);
    c[i] = v[0];
  }

  vector<vector<int>> arr(n), brr(m);
  for (int i = 0; i < n; i++) {
    getline(cin, s);
    arr[i] = parseString(s);
  }

  for (int i = 0; i < m; i++) {
    getline(cin, s);
    brr[i] = parseString(s);
  }


  cout << n << ' ' << m << '\n';

  for (auto val: c) cout << val << ' ';
  cout << '\n';
  for (auto v: arr) {
    for (auto val: v) cout << val << ' ';
    cout << '\n';
  }
  cout << '\n';
  for (auto v: brr) {
    for (auto val: v) cout << val << ' ';
    cout << '\n';
  }


}

int main() {
  ios_base::sync_with_stdio(false);
  cin.tie(nullptr);
  cout.tie(nullptr);
  int t = 1;
  while (t--) {
    solve();
  }
}