#include <bits/stdc++.h>
using namespace std;

#define io ios_base::sync_with_stdio(false);cin.tie(0);cout.tie(0);
#define PB push_back
#define MP make_pair
#define F first
#define S second
typedef long long LL;
typedef vector<int> VI;
typedef pair<int,int> PI;

bool compare(const pair<int, int>&i, const pair<int, int>&j) {
    return i.first > j.first;
}

char a[101][101];
int n,k,mc,ml,mx;

int main() {
   io;
   cin >> n >> k;
   for(int i = 0 ; i < n ; i++)
      for(int j = 0 ; j < n ; j++)
         cin >> a[i][j];
   for(int i = 0 ; i < n ; i++) {
   int m = 0;
      for(int j = 0 ; j < n ; j++) {
         if(m >= k && m > mx) {
            ml = i+1;
            mx = m;
         }
         if(a[i][j] == '.')
            m++;
         else
            m = 0;
      }
   }
   mx = 0;
   for(int j = 0 ; j < n ; j++) {
   int m = 0;
      for(int i = 0 ; i < n ; i++) {
         if(m >= k && m > mx) {
            mc = j+1;
            mx = m;
         }
         if(a[i][j] == '.')
            m++;
         else
            m = 0;
      }
   }
   cout << ml << " " << mc;
}