#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, m;
  cin >> n >> m;
  char a[n][m];
  int c = 0;
  int column_no;
  int row_number;
  for (int i = 0; i < n; i++)
    for (int j = 0; j < m; j++) {
      cin >> a[i][j];
      if (a[i][j] == 'B' && c == 0) {
        column_no = j + 1;
        row_number = i + 1;
      }
      if (a[i][j] == 'B') c++;
    }
  double s = sqrt(c);
  if (c == 1)
    cout << row_number << " " << column_no;
  else {
    int r = s / 2;
    cout << row_number + r << " " << column_no + r;
  }
}
