#include <bits/stdc++.h>
using namespace std;

template<class T> istream& operator >> (istream& is, vector<T>& vec) {
    for(T& x : vec) is >> x;
    return is;
}

template<class T> ostream& operator << (ostream& os, const vector<T>& vec) {
    if(vec.empty()) return os;
    os << vec[0];
    for(auto it = vec.begin(); ++it != vec.end(); ) os << ' ' << *it;
    return os;
}

int main() {
    ios::sync_with_stdio(false);
    cin.tie(0);
    int n;
    cin >> n;
    vector<int> a(n);
    for(auto &&v : a) cin >> v;
    auto check = [&](){
        for(int i = 0; i < n; i++){
            if((a[i] + 1) % n != a[(i + 1) % n]) return true;
        }
        return false;
    };
    string ans;
    while(check()){
        if(a[0] > a[1] && !(a[0] == n - 1 && a[1] == 0)){
            ans += 'S';
            swap(a[0], a[1]);
        }
        rotate(a.begin(), a.begin() + 1, a.end());
        ans += 'R';
    }
    while(a[0] != 0){
        ans += 'R';
        rotate(a.begin(), a.begin() + 1, a.end());
    }
    cout << ans << '\n';
}