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#ifdef LOCAL
class SS {
   int x[0];
};
extern "C" SS __sanitizer_print_stack_trace();
#define __last_state                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   \
   }                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   \
   ;                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                   \
   SS x {                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              \
      __sanitizer_print_stack_trace()
#endif
#include <bits/stdc++.h>
#include <chrono>
#include <ext/pb_ds/assoc_container.hpp>
#include <math.h>
using namespace __gnu_pbds;
using namespace std;
#define endl "\n"
#define mp make_pair
#define st first
#define nd second
#define pii pair<int, int>
#define vi vector<int>
#define pb push_back
#define _upgrade ios_base::sync_with_stdio(0), cout.setf(ios::fixed), cout.precision(10), cin.tie(0), cout.tie(0);
#define rep(i, n) for (int i = 0; i < (n); ++i)
#define fwd(i, a, b) for (int i = (a); i < (b); ++i)
#define trav(a, x) for (auto &a : x)
#define all(c) (c).begin(), (c).end()
#define sz(X) (int)((X).size())
typedef long double ld;
typedef unsigned long long ull;
typedef long long ll;
typedef tree<int, null_type, less<int>, rb_tree_tag, tree_order_statistics_node_update> indexed_set; // find_by_order(x) <-returns x-th element   order_of_key(x) <- returns order of element x
// mt19937_64 gen(chrono::steady_clock::now().time_since_epoch().count());uniform_int_distribution<int> distr(0, 1e9);auto my_rand = bind(distr, gen); // my_rand() zwraca teraz liczbe z przedzialu [a, b]
#ifdef LOCAL
ostream &operator<<(ostream &out, string str) {
   for (char c : str)
      out << c;
   return out;
}
template <class L, class R> ostream &operator<<(ostream &out, pair<L, R> p) { return out << "(" << p.st << ", " << p.nd << ")"; }
template <class L, class R, class S> ostream &operator<<(ostream &out, tuple<L, R, S> p) {
   auto &[a, b, c] = p;
   return out << "(" << a << ", " << b << ", " << c << ")";
}
template <class T> auto operator<<(ostream &out, T a) -> decltype(a.begin(), out) {
   out << '{';
   for (auto it = a.begin(); it != a.end(); it = next(it))
      out << (it != a.begin() ? ", " : "") << *it;
   return out << '}';
}
void dump() { cerr << "\n"; }
template <class T, class... Ts> void dump(T a, Ts... x) {
   cerr << a << ", ";
   dump(x...);
}
#define debug(...) cerr << "[" #__VA_ARGS__ "]: ", dump(__VA_ARGS__)
#else
#define debug(...) ;
#endif

typedef tuple<char, int, char> tpl;
typedef array<int, 26> arr;

int32_t main() {
   _upgrade;

   int n, m;
   cin >> n >> m;
   vector<string> S(n);
   for (auto &s : S)
      cin >> s;

   vector<arr> R(n, arr{});
   vector<arr> K(m, arr{});

   auto update = [&](int a, int b, int znak) {
      auto c = S[a][b];
      if (c == '?')
         return;
      R[a][c - 'A'] += znak;
      K[b][c - 'A'] += znak;
   };
   rep(i, n) rep(j, m) update(i, j, 1);

   vector<tpl> res;

   while (true) {
      bool cntn = false;
      auto good = [&](auto &r) {
         auto a = accumulate(all(r), 0ll);
         auto itr = max_element(all(r));
         cntn = cntn or a;
         if (a and (a == *itr))
            return itr - r.begin() + 'A';
         else
            return (long)0;
      };
      rep(i, n) {
         if (auto c = good(R[i]); c) {
            res.push_back({'R', i, c});
            rep(j, m) {
               update(i, j, -1);
               S[i][j] = '?';
            }
         }
      }
      rep(j, m) {
         if (auto c = good(K[j]); c) {
            res.push_back({'K', j, c});
            rep(i, n) {
               update(i, j, -1);
               S[i][j] = '?';
            }
         }
      }
      debug(S, res, R);
      if (!cntn)
         break;
   }
   reverse(all(res));
   cout << sz(res) << endl;
   for (auto [a, b, c] : res) {
      cout << a << " " << b + 1 << " " << c << endl;
   }
}