#include <bits/stdc++.h>
using namespace std;
int n, m, l, r;
int a[1002];
vector<pair<int, pair<int, int> > > v;
int main() {
  scanf("%d %d", &n, &m);
  memset(a, -1, sizeof(a));
  while (m--) {
    scanf("%d %d", &l, &r);
  }
  int cnt(0);
  for (int i = 0; i < n; i++) {
    a[i] = cnt;
    cnt++;
    cnt %= 2;
  }
  for (int i = 0; i < n; i++) {
    printf("%d", a[i]);
  }
  return 0;
}
