#include <iostream>
#include <cstdio>
#include <cassert>


using namespace std;

int main() {
  freopen ("secv8.in", "r", stdin); freopen ("secv8.out", "w", stdout);
  int op, _;
  cin >> op >> _;
  while (op--) {
    string optp;
    cin >> optp;
    if (optp == "I") {
      continue;
    }
    if (optp == "A") {
      continue;
    }
    if (optp == "D") {
      continue;
    }
    assert(false);
  }
}