#include <bits/stdc++.h>
using namespace std;
const double eps = 1e-8;
const int mod = 1e9 + 7;
const int N = 2e5 + 10;
int a[N];
int main() {
  cin.tie(0);
  cout.tie(0);
  ios::sync_with_stdio(0);
  int n, m;
  cin >> n >> m;
  for (int i = 1; i <= m; i++) {
    int x, y;
    cin >> x >> y;
  }
  for (int i = 1; i <= n; i++) cout << i % 2;
  return 0;
}
