#include <bits/stdc++.h>
#define PB push_back
#define EB emplace_back
using namespace std;
const int maxn = 400000;
vector<int> g[maxn + 5];
int rte[maxn + 5];
int c;
bool vis[2 * maxn + 5];
int S;
void dfs(int u) {
	if (vis[u]) return;
	vis[u] = 1;
	dfs((u << 1) & (S - 1)), dfs(((u << 1) & (S - 1)) | 1);
	rte[++c] = u;
}
int to[2 * maxn + 5];
int main() {
	int n;
	scanf("%d", &n);
	if (n == 1) return puts("0"), 0;
	if (n == 2) return puts("01"), 0;
	int k = 1;
	while ((1 << k) + k - 1 <= n) k++;
	S = 1 << (k - 1);
	dfs(0);
	reverse(rte + 1, rte + c + 1);
	if (n == S + k - 2) {
		for (int i = 1; i < k - 1; i++) putchar('0');
		for (int i = 1; i <= c; i++) putchar('0' + (rte[i] & 1));
		return 0;
	}
	memset(vis, 0, sizeof(vis));
	for (int i = 1; i <= c; i++) vis[rte[i] = (rte[i] << 1) | (rte[i + 1] & 1)] = 1;
	memset(to, -1, sizeof(to));
	for (int i = 1; i <= c; i++) to[rte[i]] = rte[i % c + 1];
	int S2 = 1 << k;
	for (int i = 0; i < S2; i++)
		if (to[i] == -1) to[i] = to[i ^ S] ^ 1;
	for (int i = 0; i < S2; i++)
		if (!vis[i]) {
			for (int u = i; !vis[u]; u = to[u]) vis[u] = 1, c++;
			swap(to[i], to[i ^ S]);
			if (c + k > n) {
				for (int j = k - 1; ~j; j--) putchar('0' + ((i >> j) & 1));
				for (int j = k + 1, u = to[i]; j <= n; j++, u = to[u]) putchar('0' + (u & 1));
				return 0;
			}
		}
}