#include <bits/stdc++.h>
int main() {
  int i, j, n, m, x, y;
  scanf("%d%d", &n, &m);
  for (i = 1; i <= m; i++) {
    scanf("%d%d", &x, &y);
  }
  for (i = 1; i <= n; i++) printf("%d", i % 2);
  return 0;
}
