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

int main() {
	long long int a, b, c;
	cin >> a >> b;
	if (b >= a) {
		c = b / a;
		for (long long int i = 1; i <= c; i++) {
			cout << "010";
		}
	} else {
		cout << "\n";
	}
	return 0;
}