#include <bits/stdc++.h>
using namespace std;
const double pi = acos(-1.0);
const int MAXN = 2e5 + 500;
const int MAXM = 1e5 + 5;
const long long mod = 1e9 + 7;
int main() {
  int n, m;
  scanf("%d %d", &n, &m);
  for (int i = 1; i <= m; i++) {
    int x, y;
    scanf("%d %d", &x, &y);
  }
  for (int i = 1; i <= n; i++) {
    if (i % 2 == 1)
      printf("0");
    else
      printf("1");
  }
  printf("\n");
  return 0;
}
