include[HTML_REMOVED]
using namespace std;
define h 20000+10
int a[h]={0,1}, b[h] = {0,1,1};
int main()
{
int n;
cin >> n;
for (int i = 3; i <= 20; i)
{
b[i] = b[i - 1] + b[i - 2];
a[b[i]] = 1;
}
for (int i = 1; i <= n; i)
{
if (a[i] == 1)cout << “O”;
else cout << “o”;
}
}