#include <iostream>
#include <iomanip>
#include <fstream>
#include <string>
#include <array>
#include <vector>
#include <deque>
#include <list>
#include <set>
#include <map>
#include <unordered_map>
#include <unordered_set>
#include <stack>
#include <queue>
#include <bitset>
#include <tuple>
#include <cmath>
#include <complex>
#include <algorithm>
#include <utility>
#include <regex>
#include <cstdint>
#include <numeric>
#include <functional>
#include <cassert>

using namespace std;
using ll = long long;
using ull = unsigned long long;

constexpr ll INF = 1'000'000'000'000'000'000;
namespace utils{
#define ALL(x) begin(x), end(x)
#define RALL(x) rbegin(x), rend(x)
    template<class T, class Compare> using p_queue = priority_queue<T, vector<T>, Compare>;
    template<class T> using min_queue = p_queue<T, greater<T>>;
    template<class T> using max_queue = p_queue<T, less<T>>;

    template<class T> bool up_min(T& X, const T& A){ if(X > A) {X = A; return true;} return false; }
    template<class T> bool up_max(T& X, const T& A){ if(X < A) {X = A; return true;} return false; }

    ll operator"" _64(unsigned long long x){ return ll(x); }
    ull operator"" _64u(unsigned long long x){ return ull(x); }

    template<class T>
    vector<T> make_mdvector(int n, T t){
        return vector<T>(n, t);
    }
    template<class ...Ts>
    auto make_mdvector(int n, Ts ... ts){
        return vector<decltype(make_mdvector(ts...))>(n, make_mdvector(ts...));
    }

    inline ll bit(int x){
        return 1ll << x;
    }

    template<class T>
    istream& operator>>(istream& is, vector<T>& v){
        for (auto &&x : v) { is >> x; } return is;
    }

    template<class T>
    ostream& operator<<(ostream& os, const vector<T>& v){
        for (auto &&x : v) { os << x << ' '; } cout << endl; return os ;
    }
}
using namespace utils;
template<class Monoid>
class SegmentTree {
    using Func = std::function<Monoid(Monoid, Monoid)>;
    int N;

    std::vector<Monoid> segment;

    const Func op;
    const Monoid id;

    bool dirty_flag;
public:
    // id : op = max なら -INT_MAX
    SegmentTree(int n, const Func biop, const Monoid& M1)
    : op(biop), id(M1), dirty_flag(false) {
        N = 1;
        while(N < n) N *= 2;
        segment.assign(2 * N, id);
    }

    void set(int k, const Monoid &a){
        dirty_flag = true;
        segment[k + N] = a;
    }

    void build() {
        for (int k = N - 1; k > 0; --k) {
            segment[k] = op(segment[2 * k], segment[2 * k + 1]);
        } // end k
        dirty_flag = false;
    }

    void update(int k, const Monoid& a){
        k += N;
        segment[k] = a;
        while(k /= 2){
            segment[k] = op(segment[k*2], segment[k*2+1]);
        }
    }

    // -> op [a,b)
    Monoid query(unsigned a, unsigned b){
        if(dirty_flag) build();
        dirty_flag = false;
        Monoid L = id, R = id;
        for (a += N, b += N; a < b; a >>= 1u, b >>= 1u) {
            if(a & 1u) L = op(L, segment[a++]);
            if(b & 1u) R = op(segment[--b], R);
        } // end i
        return op(L, R);
    }

    Monoid operator[](const int &k) const{
        return segment[k + N];
    }
};


class solver{
    istream& is;
    ostream& os;

public:
    solver(istream& I, ostream& O) :is(I), os(O) {}
    ll N, M;
    void run();
};

int main(int argc, char *argv[]) {
    cin.tie(nullptr);
    ios::sync_with_stdio(false);
    cout << setprecision(16) << scientific;
#ifdef XELMH
    string test_cases = "test_F.txt";
    cerr << test_cases << " -->" << endl;
    auto fs = fstream(test_cases, fstream::in);
    int loop = 0;
    while(fs) {
        loop++;
        cout << '#' << loop << "#------\n";
        solver(fs, cout).run();
    }
    if(loop <= 1) {
        cout << "===" << endl;
        while(cin) solver(cin, cout).run();
    }
#else
    solver(cin, cout).run();
#endif
    return 0;
}


void solver::run(){
    is >> N >> M;
    if(!is) return;
    string S;
    is >> S;
    SegmentTree<ll> seg(N+1, [](ll a, ll b){return min(a, b);}, INF);
    seg.update(0, 0);
    for (int i = 1; i <= N; ++i) {
        if(S[i] == '1') continue;
        ll q = seg.query(max(0ll, i-M), i+1);
        seg.update(i, q+1);
    } // end i
    if(seg[N] >= INF){
        os << -1 << endl;
        return;
    }
    int count = seg[N];
    vector<ll> ans(count+1, INF);
    ans[count] = N;
    ans[0] = 0;
    count--;
    for (int j = N - 1; j >= 1; --j) {
        ll c = seg[j];
        if(c >= INF) continue;
        if(c == count -1) count--;
        if(c == count and j + M >= ans[count+1]){
            ans[count] = j;
        }
    } // end j
    for (int i = 0; i < ans.size() - 1; ++i) {
        os << ans[i+1] - ans[i] << ' ';
    } // end i
    os << endl;

}


Measured memory_bytes: 3536