f.cpp

#include <bits/stdc++.h>

using namespace std;
using ll = long long;
using vll = vector<ll>;
using vvll = vector<vll>;
using vvvll = vector<vvll>;

#define REP(i, n, m) for(ll i=n; i<(ll)m; ++i)
#define IREP(i, n, m) for(ll i=n-1; i>=m; --i)
#define rep(i, n) REP(i, 0, n)
#define irep(i, n) IREP(i, n, 0)
#define all(v) v.begin(), v.end()

int main(){
    cout << setprecision(20);
    ll n, m;
    cin >> n >> m;
    string s;
    cin >> s;

    vll p;
    ll c = n;
    while(c>0){
        bool found = false;
        REP(i, max(c-m, 0ll), c){
            if(s[i]=='0'){
                p.push_back(c-i);
                found = true;
                c = i;
                break;
            }
        }
        if(!found){
            cout << -1 << endl;
            return 0;
        }
    }
    irep(i, p.size()){
        cout << p[i] << " ";
    }
    cout << endl;
}