#include <bits/stdc++.h>
using namespace std;
#include <atcoder/all>
using namespace atcoder;
using ll = long long;
int N;

void solve(){
    string ans;
    while(N>=720){
        ans.push_back('C');
        N-=720;
    }
    while(N>=360){
        ans.push_back('M');
        N-=360;
    }
    while(N>=180){
        ans.push_back('S');
        N-=180;
    }
    while(N>=30){
        ans.push_back('R');
        N-=30;
    }
    while(N>=6){
        ans.push_back('o');
        N-=6;
    }
    while(N){
        ans.push_back('.');
        N-=1;
    }
    cout<<ans<<endl;
}

signed main(){
    ios::sync_with_stdio(false);
    cin.tie(nullptr);
    cin >> N;
    solve();
}