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 string[] SList(long n) => Enumerable.Repeat(0, (int)n).Select(_ => ReadLine()).ToArray();
    public static void Main()
    {
        Solve();
    }
    static void Solve()
    {
        var n = NN;
        var a = NList;
        var b = NList;
        var ans = new List<string>();
        for (var i = 0; i < n; ++i)
        {
            while (a[i] > b[i])
            {
                ans.Add($"{i + 1} L");
                --a[i];
            }
        }
        for (var i = n - 1; i >= 0; --i)
        {
            while (a[i] < b[i])
            {
                ans.Add($"{i + 1} R");
                ++a[i];
            }
        }
        WriteLine(ans.Count);
        if (ans.Count > 0) WriteLine(string.Join("\n", ans));
    }
}