#nullable enable

using System.Numerics;

void Run()
{
    var n = Int();
    var p = n.Repeat(Int);
    bool J()
    {
        for (var i = 0; i < n; i++) if (i != p[i]) return false;
        return true;
    }
    var ans = new List<char>();
    while (!J())
    {
        var x = p[0];
        var y = p[1];
        if (x > y && (x, y) != (n - 1, 0))
        {
            ans.Add('S');
            (p[0], p[1]) = (y, x);
            continue;
        }
        ans.Add('R');
        var q = new int[n];
        for (var i = 1; i < n; i++) q[i - 1] = p[i];
        q[n - 1] = p[0];
        p = q;
    }
    Out(new string(ans.ToArray()));
}

#region
var _io_ = new AtCoderIO(){ Backend = new() };
Run();
_io_.Backend.Flush();

string String() => _io_.Next();
int Int() => int.Parse(String());
void Out(object? x, string? sep = null) => _io_.Out(x, sep);

class AtCoderIO
{
    public required StandardIOBackend Backend { get; init; }

    ReadOnlyMemory<string> _input = Array.Empty<string>();
    int _iter = 0;
    public string Next()
    {
        while (_iter >= _input.Length) (_input, _iter) = (Backend.ReadLine().Split(' '), 0);
        return _input.Span[_iter++];
    }

    public void Out(object? x, string? separator = null)
    {
        if (x == null) return;
        separator ??= Environment.NewLine;
        if (x is System.Collections.IEnumerable a and not string)
        {
            var objects = a.Cast<object>();
            if (separator == Environment.NewLine && !objects.Any()) return;
            x = string.Join(separator, objects);
        }
        Backend.WriteLine(x);
    }
}

class StandardIOBackend
{
    readonly StreamReader _sr = new(Console.OpenStandardInput());
    readonly StreamWriter _sw = new(Console.OpenStandardOutput()) { AutoFlush = false };
    public string ReadLine() => _sr.ReadLine()!;
    public void WriteLine(object? value) => _sw.WriteLine(value);
    public void Flush() => _sw.Flush();
}
#endregion

static class Extensions
{
    public static T[] Repeat<T>(this int time, Func<T> F) => Enumerable.Range(0, time).Select(_ => F()).ToArray();
}