#include <bits/stdc++.h>

using namespace std;
#define fast_io ios_base::sync_with_stdio(false), cin.tie(NULL), cout.tie(NULL)
#define pb push_back
#define int long long
#define ll long long
#define ld long double

#define rep(i, n) for (ll i=0; i<n; i++)
#define repi(i, n) for (ll i=1; i<=n; i++)

#define repi1(i, n) for (ll i = n; i >=0; i--)
#define mem(v, ha) memset(v, ha, sizeof(v))
#define all(a)  a.begin(), a.end()
#define allr(a)  a.rbegin(), a.rend()
#define CLOCK cerr << "\nTime elapsed: " << 1000 * clock() / CLOCKS_PER_SEC << "ms\n";
typedef vector<ll> vi;
typedef vector<vector<int>> vvi;
typedef vector<pair<ll, ll>> vpi;
typedef vector<char> vc;
#define no cout << "NO\n"
#define yes cout << "YES\n"
#define mp make_pair
#define ff first
#define ss second
const ll M = 1e9 + 7;
const ll mod = 998244353 ;

const long double PI = 3.141592653589793238460;
const int inf = (int)(1e9);

// auto sum=[&](int use, int y){return use+y;};
// function <void(int)>dfs=[&](int u)  //void is the return type, int is the argument
void solve()
{
    int n;
    cin >> n;
    vector<int> A(n), B(n);
    rep(i, n) cin >> A[i];
    rep(i, n) cin >> B[i];

    int m = 0;
    deque<int> q;
    rep(i, n) {
        if (A[i] > B[i]) q.push_back(i);
        else if (A[i] < B[i]) q.push_front(i);
        m += abs(A[i] - B[i]);
    }

    cout << m << endl;
    while (!q.empty()) {
        int t = q[0];
        if (A[t] > B[t]) rep(i, A[t] - B[t]) cout << t + 1 << " " << 'L' << endl;
        else rep(i, B[t] - A[t]) cout << t + 1 << " " << 'R' << endl;
        q.pop_front();
    }
}
int32_t main()
{

    fast_io;
    int T = 1;
    //   cin >> T;


    while (T--)
    {
        solve();


    }

}