#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  cin >> n;
  string s = "";
  int f1 = 1, f = 1;
  for (int i = 1; i <= n; i++) {
    if (i == f) {
      s += '0';
      int temp = f1 + f;
      f1 = f;
      f = temp;
    } else
      s += 'o';
  }
  cout << s << endl;
}
