#include <bits/stdc++.h>
using namespace std;
const int N = 1e5 + 5;
string file[N];
int t[N], state[N], name[N];
int n = 0;
vector<string> nt, nr;
vector<int> tpos, rpos;
int parse(string s) {
  int res = 0;
  for (int j = 0; j < s.size(); ++j) {
    if (s[j] >= '0' && s[j] <= '9') {
      res = 10 * res + s[j] - '0';
    } else {
      return -1;
    }
  }
  if (s[0] == '0' || res > n) {
    return -1;
  }
  return res;
}
inline bool cmp(string &x, string &y) { return parse(x) < parse(y); }
int main() {
  memset(name, 0, sizeof(name));
  memset(t, 0, sizeof(t));
  memset(state, 0, sizeof(state));
  cin >> n;
  int z = 0;
  for (int i = 1; i <= n; ++i) {
    cin >> file[i] >> t[i];
    if (t[i] == 0) {
      ++z;
    }
  }
  int one = n - z;
  for (int i = 1; i <= n; ++i) {
    int num = parse(file[i]);
    if (num == -1) {
      if (t[i]) {
        nt.push_back(file[i]);
      } else {
        nr.push_back(file[i]);
      }
    } else {
      name[num] = 1;
      if (t[i] == 1) {
        if (num <= one) {
          state[i] = 1;
        } else {
          nt.push_back(file[i]);
        }
      } else {
        if (num > one) {
          state[i] = 1;
        } else {
          nr.push_back(file[i]);
        }
      }
    }
  }
  int res = 0;
  for (int i = 1; i <= n; ++i) {
    if (!state[i]) {
      ++res;
    }
  }
  if (res == 0) {
    cout << 0 << endl;
    return 0;
  }
  for (int i = 1; i <= one; ++i) {
    if (name[i] == 0) {
      tpos.push_back(i);
    }
  }
  for (int i = one + 1; i <= n; ++i) {
    if (name[i] == 0) {
      rpos.push_back(i);
    }
  }
  if (tpos.empty() && rpos.empty()) {
    ++res;
    cout << res << endl;
    cout << "move " << nr[0] << " " << n + 1 << endl;
    tpos.push_back(parse(nr[0]));
    nr[0] = to_string(n + 1);
  } else {
    cout << res << endl;
  }
  sort(nr.begin(), nr.end(), cmp);
  sort(nt.begin(), nt.end(), cmp);
  while (!tpos.empty() || !rpos.empty()) {
    while (!tpos.empty()) {
      int pos = tpos.back();
      tpos.pop_back();
      int old = parse(nt.back());
      cout << "move " << nt.back() << " " << pos << endl;
      nt.pop_back();
      if (old != -1) {
        rpos.push_back(old);
      }
    }
    while (!rpos.empty()) {
      int pos = rpos.back();
      rpos.pop_back();
      cout << "move " << nr.back() << " " << pos << endl;
      int old = parse(nr.back());
      nr.pop_back();
      if (old != -1) {
        tpos.push_back(old);
      }
    }
  }
  return 0;
}
