#include <bits/stdc++.h>
using namespace std;
const int maxn = 1e7 + 10;
const int INF = 0x3f3f3f3f;
const double EPS = 1e-10;
inline int read() {
  int ret = 0, f = 0;
  char ch = getchar();
  while (ch > '9' || ch < '0') f ^= ch == '-', ch = getchar();
  while (ch <= '9' && ch >= '0') ret = ret * 10 + ch - '0', ch = getchar();
  return f ? -ret : ret;
}
int n, m;
char s[1005];
int main() {
  scanf("%d%d", &n, &m);
  int x = 0, y = 0;
  int cnt = 0;
  for (int i = 1; i <= n; i++) {
    scanf("%s", s + 1);
    for (int j = 1; j <= m; j++)
      if (s[j] == 'B') cnt++, x += i, y += j;
  }
  x /= cnt;
  y /= cnt;
  printf("%d %d\n", x, y);
  return 0;
}
