#include <bits/stdc++.h>
using namespace std;
using ll = long long;
const int INF = 2e9 + 10;
using pii = pair<int, int>;
using vi = vector<int>;
int n, m, k;
const int N = 1e6 + 10;
int r, c;
string s[200];
void solve() {
  for (int i = 1; i <= n; i++) {
    for (int j = 1; j <= m; j++) {
      if (s[i][j - 1] == 'B') {
        int k = j;
        while (k <= m && s[i][k - 1] == 'B') k++;
        int len = k - j;
        len = (len + 1) / 2;
        r = i + len - 1;
        c = j + len - 1;
        return;
      }
    }
  }
}
int main() {
  ios::sync_with_stdio(false);
  cin.tie(0);
  while (cin >> n >> m) {
    for (int i = 1; i <= n; i++) {
      cin >> s[i];
    }
    solve();
    cout << r << " " << c << endl;
  }
  return 0;
}
