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

//template
#define rep(i,a,b) for(int i=(int)(a);i<(int)(b);i++)
#define ALL(v) (v).begin(),(v).end()
typedef long long int ll;
const int inf = 0x3fffffff; const ll INF = 0x1fffffffffffffff; const double eps=1e-12;
template<typename T>inline bool chmax(T& a,T b){if(a<b){a=b;return 1;}return 0;}
template<typename T>inline bool chmin(T& a,T b){if(a>b){a=b;return 1;}return 0;}
//end

bitset<402020> dp;

int main(){
   int n,k; cin>>n>>k;
   string s; cin>>s;
   int rui=0;
   for(int i=n-1;i>=0;i--){
      if(dp[i+k+1])rui--;
      if(i and s[i-1]=='x')continue;
      if(rui==0){
         dp[i]=1;
         rui++;
      }
   }
   rep(i,0,k+1)if(dp[i]){
      cout<<i<<endl;
   }
   return 0;
}