// May this submission get accepted!

#pragma GCC optimize ("O3")
#pragma GCC target ("tune=native")
#pragma GCC target ("avx")

#include <bits/stdc++.h>

// 汎用マクロ
#define ALL_OF(x) (x).begin(), (x).end()
#define REP(i,n) for (long long i=0, i##_len=(n); i<i##_len; i++)
#define RANGE(i,is,ie) for (long long i=(is), i##_end=(ie); i<=i##_end; i++)
#define DSRNG(i,is,ie) for (long long i=(is), i##_end=(ie); i>=i##_end; i--)
#define STEP(i, is, ie, step) for (long long i=(is), i##_end=(ie), i##_step = (step); i<=i##_end; i+=i##_step)
#define UNIQUE(v) do { sort((v).begin(), (v).end()); (v).erase(unique((v).begin(), (v).end()), (v).end()); } while (false)
template<class T> bool chmax(T &a, const T &b) { if (a < b) {a = b; return true;} return false; }
template<class T> bool chmin(T &a, const T &b) { if (a > b) {a = b; return true;} return false; }
#define INF 0x7FFFFFFF
#define LINF 0x7FFFFFFFFFFFFFFFLL
#define Yes(q) ((q) ? "Yes" : "No")
#define YES(q) ((q) ? "YES" : "NO")
#define Possible(q) ((q) ? "Possible" : "Impossible")
#define POSSIBLE(q) ((q) ? "POSSIBLE" : "IMPOSSIBLE")
#define DUMP(q) cerr << "[DEBUG] " #q ": " << (q) << " at " __FILE__ ":" << __LINE__ << endl
#define DUMPALL(q) do { cerr << "[DEBUG] " #q ": ["; REP(DUMPALL_ITR, (q).size()) { cerr << (q)[DUMPALL_ITR] << (DUMPALL_ITR == DUMPALL_ITR_len-1 ? "" : ", "); } cerr << "] at " __FILE__ ":" << __LINE__ << endl; } while (false)
template<class T> T gcd(T a, T b) { if (a < b) std::swap(a, b); while (b) std::swap(a %= b, b); return a; }
template<class T> T lcm(const T a, const T b) { return a / gcd(a, b) * b; }

// gcc拡張マクロ
#define popcount __builtin_popcount
#define popcountll __builtin_popcountll

// エイリアス
#define DANCE_ long
#define ROBOT_ unsigned
#define HUMAN_ signed
using  ll = DANCE_ HUMAN_ DANCE_;
using ull = DANCE_ ROBOT_ DANCE_;
using  ld = long double;
using namespace std;

// モジュール

bool found = false;

// ランレングス圧縮 O(N)
template <class RandomAccessIterator>
vector<ll> run_length(RandomAccessIterator first, RandomAccessIterator last) {
    vector<ll> rl;
    for (RandomAccessIterator itr = first; itr != last; ) {
        RandomAccessIterator jtr = itr++;
        while ((itr != last && *itr == *(itr-1))) itr++;
        rl.push_back(itr - jtr);
    }
    return rl;
}

void dfs(ll i, ll &n, ll &m, vector<ll> &from, string &s) {
    if (i == 0) {
        found = true;
        return;
    }
    RANGE(di, -m, -1) {
        if (i+di < 0) continue;
        if (s[i+di] == '0') {
            from[i+di] = i;
            dfs(i+di, n, m, from, s);
            if (found) return;
        }
    }
}

// 処理内容
int main() {
    
    // インタラクティブ問題では除去した方がいいかも
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    
    ll n, m; cin >> n >> m;
    string s; cin >> s;

    auto rl = run_length(ALL_OF(s));
    REP(i, rl.size()) {
        if (i % 2 == 0) continue;
        if (rl[i] >= m) {
            cout << -1 << endl;
            return 0;
        }
    }
    
    vector<ll> from(n+1, -1);
    
    dfs(n, n, m, from, s);

    if (from[0] == -1) {
        cout << -1 << endl;
        return 0;
    }

    vector<ll> ans; ans.reserve(n+1);
    ll b = 0;
    while (b < n) {
        ll pb = b;
        b = from[b];
        ans.push_back(b - pb);
    }
    REP(i, ans.size()) {
        cout << ans[i] << " \n"[i == i_len-1];
    }
    
}


Measured memory_bytes: 5072