#include <bits/stdc++.h>
using namespace std;
const int maxn = 200 + 10;
const double PI = acos(-1.0);
const double eps = 1e-6;
const int INF = 100000;
int T, n, m;
char a[maxn][maxn];
int vis[maxn][maxn];
int dx[] = {0, 0, -1, 1};
int x, y;
int dy[] = {1, -1, 0, 0};
int main() {
  std::ios::sync_with_stdio(false);
  std::cin.tie(0);
  while (cin >> n >> m) {
    for (int i = 0; i < m; i++) {
      cin >> x >> y;
    }
    for (int i = 0; i < n; i++) {
      if (i % 2)
        cout << "0";
      else
        cout << "1";
    }
    cout << endl;
  }
  return 0;
}
