#include <bits/stdc++.h>
using namespace std;
const long long inf = 1e18;
const long long mod = 1e9 + 7;
signed main() {
  ios_base::sync_with_stdio(false);
  cin.tie(NULL);
  ;
  long long n, m;
  cin >> n >> m;
  for (long long i = 0; i <= m - 1; i++) {
    long long l, r;
    cin >> l >> r;
  }
  for (long long i = 0; i <= n - 1; i++) {
    if (i % 2 == 0)
      cout << 0;
    else
      cout << 1;
  }
  return 0;
}
