#include <bits/stdc++.h>
using namespace std;
const int N = 1000;
int n, m;
int tmp;
int main() {
  cin >> n >> m;
  for (int i = 0; i < m; ++i) {
    cin >> tmp >> tmp;
  }
  int curr = 1;
  for (int i = 0; i < n; ++i) {
    cout << (curr ^ 1);
    curr ^= 1;
  }
  return 0;
}
