#include <iostream>
using namespace std;
int main() {
    int n, k; cin >> n >> k;
    string s; cin >> s;
    bool dp[n+1];
    dp[n] = true;
    int last = 1<<30;
    for (int i = n-1; i >= 0; i--) {
        dp[i] = (i > 0 && s[i-1] == 'x') || i + k >= last;
        if (!dp[i]) last = i;
    }
    if (dp[0]) { for (int i = 1; i <= k; i++) if (!dp[i]) cout << i << endl; }
    else cout << "0\n";
}