#include <bits/stdc++.h>
#include <atcoder/all>
using namespace std;
using namespace atcoder;
using ll = long long;
using ld = long double;
using mint = modint998244353;

int N, M, A[1010101], B[1010101], C[1010101];

int main() {
  cin >> N;
  for (int i = 1; i <= N; i++) {
    cin >> A[i];
  }
  for (int i = 1; i <= N; i++) {
    cin >> B[i];
    C[i] = B[i] - A[i];
    M += abs(C[i]);
  }
  cout << M << endl;
  for (int i = N; i >= 1; i--) {
    if (C[i] > 0) {
      for (int j = 0; j < abs(C[i]); j++) {
        cout << i << ' ' << 'R' << endl;
      }
    }
  }
  for (int i = 1; i <= N; i++) {
    if (C[i] < 0) {
      for (int j = 0; j < abs(C[i]); j++) {
        cout << i << ' ' << 'L' << endl;
      }
    }
  }
  return 0;
}