#include <bits/stdc++.h>
using namespace std;
int main() {
  int n, m;
  scanf("%d %d", &n, &m);
  int l[m], r[m];
  for (int i = 1; i <= m; i++) {
    scanf("%d %d", &l[i], &r[i]);
  }
  for (int i = 1; i <= n; i++) {
    if (i % 2 == 1)
      printf("1");
    else
      printf("0");
  }
  printf("\n");
  return 0;
}
