#include <bits/stdc++.h>
using namespace std;
#ifdef LOCAL
  #include "settings/debug.cpp"
  #define _GLIBCXX_DEBUG
#else
  #define Debug(...) void(0)
#endif
#define rep(i, n) for (int i = 0; i < (n); ++i)
using ll = long long;
using ull = unsigned long long;

int main() {
  int n;
  cin >> n;
  string ans = "";
  rep(_, n / 720) ans += 'C';
  n %= 720;
  rep(_, n / 360) ans += 'M';
  n %= 360;
  rep(_, n / 180) ans += 'S';
  n %= 180;
  rep(_, n / 30) ans += 'R';
  n %= 30;
  rep(_, n / 6) ans += 'o';
  n %= 6;
  rep(_, n) ans += '.';
  cout << ans << endl;
  return 0;
}