#include <bits/stdc++.h>
using namespace std;
const int mod = 1e9 + 7;
int main() {
  int n, m, l, r;
  cin >> n >> m;
  vector<int> v(n, 0);
  while (m--) {
    cin >> l >> r;
  }
  for (int i = 0; i < n; i++) {
    if (i % 2 != 0) v[i] = 1;
  }
  for (int i : v) cout << v[i];
}
