func_code_string: #include <bits/stdc++.h>   using namespace std;   int main() {     ios_base::sync_with_stdio(false);     cin.tie(NULL);     long long int n, m, x1, y1, x2, y2, count = 0;     cin >> n >> m;     vector<char> v[n];     for (long long int i = 0; i < n; i++) {       for (long long int j = 0; j < m; j++) {         char x;         cin >> x;         v[i].push_back(x);         if (count == 0 && x ==  B ) {           x1 = i + 1, y1 = j + 1;           count++;         }         if (count > 0 && x ==  B ) {           x2 = i + 1, y2 = j + 1;         }       }     }     cout << (x1 + x2) / 2 <<     << (y1 + y2) / 2;   }   