using System;
using static System.Console;
using System.Linq;
using System.Collections.Generic;

class Program
{
    static int NN => int.Parse(ReadLine());
    static int[] NList => ReadLine().Split().Select(int.Parse).ToArray();
    static int[][] NArr(long n) => Enumerable.Repeat(0, (int)n).Select(_ => NList).ToArray();
    static int[] NMi => ReadLine().Split().Select(c => int.Parse(c) - 1).ToArray();
    static int[][] NMap(int n) => Enumerable.Repeat(0, n).Select(_ => NMi).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var n = NN;
        var p = NList.ToList();

        var start = 0;
        var ans = new List<char>();
        var changed = true;
        while (true)
        {
            if (p[start % n] == 0)
            {
                if (!changed)
                {
                    break;
                }
                changed = false;
            }
            if (p[start % n] > p[(start + 1) % n] && p[(start + 1) % n] != 0)
            {
                ans.Add('S');
                (p[start % n], p[(start + 1) % n]) = (p[(start + 1) % n], p[start % n]);
                changed = true;
            }
            ans.Add('R');
            ++start;
        }
        WriteLine(string.Concat(ans));
    }
}