#include <bits/stdc++.h>
using namespace std;
int main() {
  int row, col;
  cin >> row >> col;
  char arr[row][col];
  for (int i = 0; i < row; i++) {
    for (int j = 0; j < col; j++) cin >> arr[i][j];
  }
  int cenx = 0, countx = 0, ceny = 0, county = 0;
  int i, j, k;
  for (i = 0; i < row; i++) {
    for (j = 0; j < col; j++) {
      if (arr[i][j] == 'B') {
        k = j;
        cenx += j + 1;
        countx += 1;
      }
    }
    if (countx > 0) break;
  }
  for (i = 0; i < row; i++) {
    if (arr[i][k] == 'B') {
      ceny += i + 1;
      county += 1;
    }
  }
  cout << ceny / county << " " << cenx / countx << endl;
}
