#define _USE_MATH_DEFINES
#include  <cmath>
#include <cstdio>
#include <vector>
#include <iostream>
#include <algorithm>
#include <string>
#include<math.h>
#include<iomanip>
#include<stdio.h>
#include <stdlib.h>
#include<stdio.h>
#include <queue>
#include<map>
#include <fstream>
#include <sstream>
#include<set>
#include<stack>
#include<time.h>
#include <sys/types.h>
#include <tuple>
#include <numeric>
#include <iterator>

typedef long long int ll;
//#include<bits/stdc++.h>


using namespace std;





int main()
{

    int Q;
    Q = 1;
    //cin >> Q;


    while (Q--) {
        int n;
        cin >> n;
        int x = n / 720;
        while (x) {
            cout << 'C'; x--;
        }
        n %= 720;
        x = n / 360;
        while (x) {
            cout << 'M'; x--;
        }
        n %= 360;
        x = n / 180;
        while (x) {
            cout << 'S'; x--;
        }
        n %= 180;
        x = n / 30;
        while (x) {
            cout << 'R'; x--;
        }
        n %= 30;
        x = n / 6;
        while (x) {
            cout << 'o'; x--;
        }
        n %= 6;
        x = n ;
        while (x) {
            cout << '.'; x--;
        }

    }
    return 0;
}