#include <bits/stdc++.h>
using namespace std;
const int nmax = 2e5 + 42;
int n, k;
int main() {
  cin >> n >> k;
  int d = (n - k) / 2;
  int cycle = d + 1;
  for (int i = 1; i <= n; i++)
    if (i % cycle == 0)
      cout << "1";
    else
      cout << "0";
  return 0;
}
