#include <bits/stdc++.h>
using namespace std;
struct fastIO {
  inline fastIO operator>>(int& num) {
    num = 0;
    char c = getchar();
    while (c != '-' && (c < '0' || c > '9')) c = getchar();
    bool foo = 0;
    if (c == '-') {
      foo = 1;
      c = getchar();
    }
    while (c >= '0' && c <= '9') {
      num = (num << 3) + (num << 1) + c - '0';
      c = getchar();
    }
    if (foo) num = -num;
    return *this;
  }
  inline fastIO operator>>(long long& num) {
    num = 0;
    char c = getchar();
    while (c != '-' && (c < '0' || c > '9')) c = getchar();
    bool foo = 0;
    if (c == '-') {
      foo = 1;
      c = getchar();
    }
    while (c >= '0' && c <= '9') {
      num = (num << 3) + (num << 1) + c - '0';
      c = getchar();
    }
    if (foo) num = -num;
    return *this;
  }
  inline fastIO operator>>(float& num) {
    scanf("%f", &num);
    return *this;
  }
  inline fastIO operator>>(double& num) {
    scanf("%lf", &num);
    return *this;
  }
  inline fastIO operator>>(long double& num) {
    scanf("%Lf", &num);
    return *this;
  }
  inline fastIO operator>>(char& num) {
    num = getchar();
    while (num == ' ' || num == '\n') num = getchar();
    return *this;
  }
  inline fastIO operator>>(char* num) {
    int cnt = 0;
    char c = getchar();
    while (c == ' ' || c == '\n') c = getchar();
    while (c != ' ' && c != '\n') {
      num[cnt++] = c;
      c = getchar();
    }
    num[cnt] = 0;
    return *this;
  }
  inline fastIO operator>>(string& num) {
    cin >> num;
    return *this;
  }
  inline void printInt(const int& num) {
    if (num < 10) {
      putchar(num + '0');
      return;
    }
    printInt(num / 10);
    putchar((num % 10) + '0');
  }
  inline void printINT(const long long& num) {
    if (num < 10) {
      putchar(num + '0');
      return;
    }
    printINT(num / 10);
    putchar((num % 10) + '0');
  }
  inline fastIO operator<<(const int& num) {
    if (num < 0)
      putchar('-'), printInt(-num);
    else
      printInt(num);
    return *this;
  }
  inline fastIO operator<<(const long long& num) {
    if (num < 0)
      putchar('-'), printINT(-num);
    else
      printINT(num);
    return *this;
  }
  inline fastIO operator<<(const float& num) {
    printf("%.10f", num);
    return *this;
  }
  inline fastIO operator<<(const double& num) {
    printf("%.16lf", num);
    return *this;
  }
  inline fastIO operator<<(const long double& num) {
    printf("%.20Lf", num);
    return *this;
  }
  inline fastIO operator<<(const char& num) {
    putchar(num);
    return *this;
  }
  inline fastIO operator<<(const char* num) {
    for (int i = 0; num[i]; i++) putchar(num[i]);
    return *this;
  }
  inline fastIO operator<<(const string& num) {
    cout << num;
    return *this;
  }
} fio;
char s[1000005];
int fail[1000005];
int bz[1000005][25];
int n, k;
int main() {
  fio >> n >> k;
  fio >> (s + 1);
  int fu = 0;
  fail[1] = 0;
  for (int i = 2; i <= n; i++) {
    while (fu && s[i] != s[fu + 1]) {
      fu = fail[fu];
    }
    if (s[i] == s[fu + 1]) {
      fu++;
    }
    fail[i] = fu;
  }
  fail[0] = 0;
  for (int i = 0; i <= n; i++) {
    bz[i][0] = fail[i];
  }
  for (int i = 1; i <= 20; i++) {
    for (int j = 0; j <= n; j++) {
      bz[j][i] = bz[bz[j][i - 1]][i - 1];
    }
  }
  for (int i = 1; i <= n; i++) {
    int frm = (1LL * (k - 1) * i + k - 1) / k;
    int to = 1LL * k * i / (k + 1);
    int xx = i;
    for (int j = 20; j >= 0; j--) {
      if (bz[xx][j] > to) {
        xx = bz[xx][j];
      }
    }
    xx = bz[xx][0];
    if (frm <= xx && to >= xx) {
      fio << 1;
    } else {
      fio << 0;
    }
  }
  fio << '\n';
  return 0;
}
