#include <iostream>
#include <vector>
#include <string>
#include <algorithm>
#include <cstring>
#include <cstdlib>
#include <cmath>
using namespace std;
using ll = long long;

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

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

    string s;
    cin >> s;

    int o = 0;
    for (int i = n - 2; i >= 0; i--) {
        if (s[i] == 'o') {
            if (o) s[i] = 'x';
        }
        o += s[i] == 'o';
        o -= i + k < n - 1 ? s[i + k] == 'o' : 0;
    }

    int b = 0;
    for (int i = 0; i < k; i++) {
        if (s[i] == 'o') {
            cout << i + 1 << endl;
            b = 1;
        }
    }
    if (!b) {
        cout << 0 << endl;
    }

    return 0;
}