#include <bits/stdc++.h>
#define INF 1000000001LL
#define LNF 1000000000000000001LL
#define MOD 1000000007LL
#define MAX 200000
#define long long long
#define all(x) x.begin(),x.end()
using namespace std;

int main()
{
    ios_base::sync_with_stdio(0);
    cin.tie(0);

    int n;
    cin >> n;

    vector<int> arr(n);
    for(int i = 0; i<n; i++)
        cin >> arr[i];

    for(int i = 0; i<n; i++)
    {
        for(int i = 0; i<n-1; i++)
        {
            if(arr[i] > arr[i+1])
            {
                swap(arr[i],arr[i+1]);
                cout << "S";
            }
            cout << "R";
        }
        cout << "R";
    }
    cout << endl;
    return 0;
}