#include <bits/stdc++.h>
using namespace std;
const int MOD = 998244353;
const int MSIZE = 5001;
bool get_num(string& s, int& val) {
  for (int i = 0; i < s.length(); ++i)
    if (s[i] < '0' || s[i] > '9') return false;
  if (s[0] == '0') return false;
  val = 0;
  for (int i = 0; i < s.length(); ++i) {
    val *= 10;
    val += s[i] - '0';
  }
  return true;
}
int main() {
  ios_base::sync_with_stdio(0);
  int n;
  cin >> n;
  vector<pair<int, string> > t0, t1;
  vector<char> used(n + 1, 0);
  int e = 0;
  for (int i = 0; i < n; ++i) {
    string t;
    int id;
    cin >> t >> id;
    int val = -1;
    get_num(t, val);
    if (id == 1)
      t0.push_back({val, t}), e++;
    else
      t1.push_back({val, t});
  }
  vector<pair<int, string> > temp;
  for (auto a : t0)
    if (a.first >= 1 && a.first <= e)
      used[a.first] = 1;
    else {
      temp.push_back(a);
      if (a.first > e && a.first <= n) used[a.first] = -1;
    }
  t0 = temp;
  temp.clear();
  for (auto a : t1)
    if (a.first > e && a.first <= n)
      used[a.first] = 1;
    else {
      temp.push_back(a);
      if (a.first >= 1 && a.first <= e) used[a.first] = -1;
    }
  t1 = temp;
  temp.clear();
  vector<int> pos0, pos1;
  int sum = n;
  for (int i = 1; i <= n; ++i) {
    if (used[i] == 0) {
      if (i <= e)
        pos0.push_back(i);
      else
        pos1.push_back(i);
    }
    if (used[i] == 1) sum--;
  }
  if (pos0.empty() && pos1.empty()) {
    if (sum == 0) {
      cout << 0;
      return 0;
    }
    cout << sum + 1 << '\n';
    if (!t0.empty()) {
      cout << "move " << t0.back().second << " " << 0 << '\n';
      pos1.push_back(t0.back().first);
      t0.back().first = -1;
      t0.back().second = "0";
    } else if (!t1.empty()) {
      cout << "move " << t1.back().second << " " << 0 << '\n';
      pos0.push_back(t1.back().first);
      t1.back().first = -1;
      t1.back().second = "0";
    }
  } else
    cout << sum << '\n';
  sort(t0.begin(), t0.end());
  sort(t1.begin(), t1.end());
  while (!t0.empty() || !t1.empty()) {
    if (!pos0.empty()) {
      cout << "move " << t0.back().second << " " << pos0.back() << '\n';
      pos0.pop_back();
      if (t0.back().first <= n && t0.back().first > e)
        pos1.push_back(t0.back().first);
      t0.pop_back();
    }
    if (!pos1.empty()) {
      cout << "move " << t1.back().second << " " << pos1.back() << '\n';
      pos1.pop_back();
      if (t1.back().first >= 1 && t1.back().first <= e)
        pos0.push_back(t1.back().first);
      t1.pop_back();
    }
  }
  return 0;
}
