#include "bits/stdc++.h"
//#include <atcoder/all>

using namespace std;
//using namespace atcoder;

//#define int long long
#define ll long long
ll INF = (1LL << 60);
constexpr int mod = 1000000007;
using P = pair<int, int>;

void solve() {
	int n; cin >> n;
	if (n == 0) {
		cout << 1 << endl; return;
	}
	string ans = "010";
	for (int i = 0; i < n - 1; i++) {
		if (i % 2 == 0) {
			ans += "0";
		}
		else ans += "0";
	}
	cout << ans << endl;
}
signed main() {
	int t; t = 1;
	for (int i = 0; i < t; i++) {
		solve();
	}
	return 0;
}