//#pragma GCC optimize ("-O3","unroll-loops")
#include<iostream>
#include<string>
#include<algorithm>
#include<vector>
#include<queue>
#include<map>
#include<math.h>
#include<iomanip>
#include<set>
#include<numeric>
#include<cstring>
#include<cstdio>
#include<functional>
#include<bitset>
#include<limits.h>
#include<cassert>
#include<iterator>
#include<complex>
#include<stack>
#include<unordered_map>
#include<unordered_set>
#include<time.h>
#include<random>

using namespace std;

#define REP(i, n) for(int i = 0;i < n;++i)
#define REPR(i, n) for(int i = n-1;i >= 0;--i)
#define FOR(i, m, n) for(int i = m;i < n;++i)
#define FORR(i, m, n) for(int i = m-1;i >= n;--i)
#define SORT(v, n) sort(v, v+n);
#define VSORT(v) sort(v.begin(), v.end());
#define REVERSE(v,n) reverse(v,v+n);
#define VREVERSE(v) reverse(v.begin(), v.end())
#define ll long long
#define pb(a) push_back
#define print(x) cout<<(x)<<'\n'
#define pe(x) cout<<(x)<<" "
#define DEBUG(x) cout<<#x<<": "<<x<<endl
#define lb(v,n) lower_bound(v.begin(), v.end(), n)
#define ub(v,n) upper_bound(v.begin(), v.end(), n)
#define int long long
#define all(x) (x).begin(), (x).end()
#define print_space(v) REP(i,v.size())cout << v[i] << ((i == v.size() - 1) ? "\n" : " ")

template<typename T1, typename T2> inline void chmin(T1 & a, T2 b) { if (a > b) a = b; }
template<typename T1, typename T2> inline void chmax(T1& a, T2 b) { if (a < b) a = b; }
typedef pair<int, int>P;
const int MOD = 1e9 + 7; const int MAX = 200020;
const double pi = acos(-1); const double EPS = 1e-12;
const ll INF = 2e18;

template<typename T>
struct SegmentTree {
	int n;
	T unit;
	vector<T>dat;
	function<T(T, T)> func;
	SegmentTree(const int N, T _unit, function<T(T, T)> _func)
		:unit(_unit), func(_func) {
		n = 1;
		//簡単のため、要素数を2のべき乗に
		while (n < N)n *= 2;
		dat.assign(2 * n, unit);
	}

	void update(int k, T a) {
		k += n - 1;//葉の節点
		dat[k] = a;
		//上りながら更新
		while (k > 0) {
			k = (k - 1) / 2;
			dat[k] = func(dat[k * 2 + 1], dat[k * 2 + 2]);
		}
	}
	T _query(int a, int b, int k, int l, int r) {
		//[a,b)と[l,r)が交差していなければ、funcに影響を与えない値を返す
		if (r <= a || b <= l)return unit;
		//[a,b)が[l,r)を完全に含んでいれば、この節点の値
		if (a <= l && r <= b)return dat[k];
		else {
			int vl = _query(a, b, k * 2 + 1, l, (l + r) / 2);
			int vr = _query(a, b, k * 2 + 2, (l + r) / 2, r);
			return func(vl, vr);
		}
	}
	//[a,b)
	T query(int a, int b) {
		return _query(a, b, 0, 0, n);
	}
};
//auto f = [](int a, int b) {return a + b; };
//SegmentTree<int>seg(N,0,f);

string S;
int dp[100010];
void solve() {
	int N, M; cin >> N >> M;
	cin >> S;
	REP(i, S.size() + 1)dp[i] = -1;
	dp[0] = 0;

	auto f = [](int a, int b) {return min(a, b); };
	SegmentTree<int>seg(N, INF, f);
	seg.update(0, 0);
	int nxt = 1;
	int pre = 0;
	bool ok = true;
	while (ok) {
		int nxt2 = 0;
		ok = false;
		FOR(i, nxt, nxt + M) {
			if (i > N)continue;
			if (S[i] == '1')continue;
			
			ok = true;
			
			int l = max(max((ll)0, i - M), pre);
			int r = nxt;
			int from = seg.query(l, r);
			if (from < i) {
				dp[i] = i - from;
				seg.update(i, i);
				nxt2 = i + 1;
			}
		}
		pre = nxt;
		nxt = nxt2;
	}
	vector<int>ans;
	int now = N;
	//REP(i, N + 1) {
	//	pe(dp[i]);
	//}cout << endl;
	if (dp[N] == -1) { print(-1); return; }
	while (now > 0) {
		ans.push_back(dp[now]);
		now -= dp[now];
	}
	VREVERSE(ans);
	REP(i, ans.size()) {
		pe(ans[i]);
	}cout << endl;
}

signed main() {
	cin.tie(0);
	ios::sync_with_stdio(false);
	//test();
	solve();
}

Measured memory_bytes: 4296