#include <bits/stdc++.h>
int main() {
  int m, n, a, b;
  scanf("%d %d", &n, &m);
  for (int i = 0; i < m; i++) scanf("%d %d", &a, &b);
  for (int i = 0; i < n; i++) {
    printf("%d", i % 2);
  }
  printf("\n");
  return (0);
}
