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

#define st first
#define nd second
#define pb push_back

typedef long long   ll;
typedef double      db;
typedef long double ldb;

typedef pair <int, int> pii;
typedef pair <ll,  ll>  pll;
typedef pair <ll,  db>  pdb;
typedef pair <ldb, ldb> pldb;

template <typename T>
void   Debug (T begin, T end);
int    si    ();
ll     sl    ();
string ss    (int); 
db     sf    ();
ldb    slf   ();
void   pi    (int, char = '\n');
void   pl    (ll, char = '\n');
void   pf    (db, char = '\n');
void   plf   (ldb, char = '\n');
void   ps    (string, char = '\n');

ll russian(ll, ll, ll);
ll fast_power(ll, ll, ll);
ll slow_power(ll, ll, ll);
ll gcd(ll, ll);
ll lcm(ll, ll);

const int INF  = 1e9;
const ll  LINF = 1e18;

const int N = 1e5 + 7;
int DP[N];

int main()
{
    int n = si(), m = si();
    string s = ss(n + 1);

    for (int i = 0; i < n; ++i)    
        DP[i] = INF;

    deque<pii> Q = {{0, n}};

    for (int i = n - 1; i >= 0; --i) {
        if (s[i] == '1')
            continue;

        while (!Q.empty() && Q.front().nd > i + m)
            Q.pop_front();

        if (!Q.empty()) {
            pii p = {Q.front().st + 1, i};
            DP[i] = p.st;
            
            while (!Q.empty() && Q.back().st >= p.st)
                Q.pop_back();

            Q.push_back(p);
        }
    }

    if (DP[0] == INF)
        return pi(-1), 0;

    int pos = 0, val = DP[0];
    while (pos != n) {
        int new_pos = pos + 1;
        while (DP[new_pos] != val - 1)
            ++new_pos;
        pi(new_pos - pos, ' ');
        pos = new_pos;
        --val;
    }

    return 0;
}

template <typename T>
void Debug(T begin, T end)
{
    printf("\nDEBUG:\n");
    while (begin != end)
        printf("%d ", *begin),
        begin++;
    printf("\n\n");
}

template <typename T>
T scanf_t(string s)
{
    T a;
    scanf(s.c_str(), &a);
    return a;
}

template <typename T>
void printf_t(T a, string s, char end_l)
{
    s.push_back(end_l);
    printf(s.c_str(), a);
}

int si() { return scanf_t<int>("%d"); }
ll sl() { return scanf_t<ll>("%lld"); }
db sf() { return scanf_t<db>("%f"); }
ldb slf() { return scanf_t<ldb>("%Lf"); }

void pi(int a, char end_l) { printf_t<int>(a, "%d", end_l); }
void pl(ll a, char end_l) { printf_t<ll>(a, "%lld", end_l); }
void pf(db a, char end_l) { printf_t<db>(a, "%lf", end_l); }
void plf(ldb a, char end_l) { printf_t<ldb>(a, "%Lf", end_l); }

void ps(string a, char end_l)
{
    string s = "%s";
    s.push_back(end_l);
    printf(s.c_str(), a.c_str());
}

string ss(int NN)
{
    char T[NN];
    scanf("%s", T);
    return (string)T;
}

ll fast_power(ll a, ll k, ll m)
{
    ll r = 1LL;
    while (k)
    {
        if (k & 1LL)
            r = (r * a) % m;
        a = (a * a) % m;
        k >>= 1LL;
    }
    return r;
}

ll slow_power(ll a, ll k, ll m)
{
    ll r = 1LL;
    while (k)
    {
        if (k & 1LL)
            r = russian(r, a, m);
        a = russian(a, a, m);
        k >>= 1LL;
    }
    return r;
}

ll russian(ll a, ll k, ll m)
{
    ll r = 0LL;
    while (k)
    {
        if (k & 1LL)
            r = (r + a) % m;
        a = (a + a) % m;
        k >>= 1LL;
    }
    return r;
}

ll gcd(ll a, ll b)
{
    while (b)
        swap(a %= b, b);
    return a;
}

ll lcm(ll a, ll b)
{
    return a / gcd(a, b) * b;
}


Measured memory_bytes: 1024