#include <bits/stdc++.h>
using namespace std;
int main() {
  int n;
  int a[2000];
  int f[100];
  f[1] = 1;
  f[2] = 1;
  a[1] = 1;
  a[2] = 1;
  for (int i = 3; f[i - 1] < 1001; i++) {
    f[i] = f[i - 1] + f[i - 2];
    a[f[i]] = 1;
  }
  cin >> n;
  for (int i = 1; i <= n; i++) {
    if (a[i] == 1)
      cout << '0';
    else
      cout << 'o';
  }
  return 0;
}
