#include <bits/stdc++.h>
using namespace std;
int n, m, x;
string s;
char r = '0', p = '1';
bool a[105];

int main() {
	freopen("three.in", "r", stdin);
	freopen("three.out", "w", stdout);
	cin >> n >> m;
	x = n - m;
	for (int i = 1; i <= n; i++) {
		if (i <= 2 && m != 0) {
			s += p;
			m--;
			a[i] = 1;
		} else if (m != 0 && (a[i - 1] != 1 || a[i - 2] != 1)) {
			s += p;
			m--;
			a[i] = 1;
		} else if (x != 0 && a[i - 1] == 1 && a[i - 2] == 1) {
			s += r;
			x--;
			a[i] = 0;
		} else if (m == 0 && x != 0) {
			s += r;
			x--;
			a[i] = 0;
		}
	}
	cout << s;
	return 0;
}