#include <bits/stdc++.h>

using namespace std;

#define REP(i,n) for(int i=0; i<(int)(n); i++)

const int INF = 1<<30;

int main() {
  ios_base::sync_with_stdio(0);
  cin.tie(0);

  int n, k;
  cin >> n >> k;

  string s;
  cin >> s;
  s = "o" + s;
  
  vector<bool> win(n);
  int lose = INF;
  for (int i = n-1; i >= 0; i--) {
    if (s[i] == 'x')
      win[i] = true;
    else {
      if (lose <= i + k)
        win[i] = true;
    }
    if (!win[i])
      lose = i;
  }

  if (!win[0])
    cout << 0 << endl;
  else {
    for (int i = 1; i <= k; i++)
      if (!win[i])
        cout << i << endl;
  }
  
  return 0;
}