#include using namespace std; #define all(a) (a).begin(), (a).end() #define uniq(a) (a).erase(unique(all(a)), (a).end()) using ll = long long; using ull = unsigned long long; using vll = vector; using pll = pair; ull bit(int n) { return 1ull << n; } template using priority_queue_rev = priority_queue, greater>; constexpr double PI = 3.1415926535897932384626433832795028; constexpr ll DY[9] = {0, 1, 0, -1, 1, 1, -1, -1, 0}; constexpr ll DX[9] = {1, 0, -1, 0, 1, -1, -1, 1, 0}; ll sign(ll a) { return (a > 0) - (a < 0); } ll cdiv(ll a, ll b) { return (a - 1 + b) / b; } template T sq(const T &a) { return a * a; } template bool chmax(T &a, const U &b) { if (a < b) { a = b; return true; } return false; } template bool chmin(T &a, const U &b) { if (b < a) { a = b; return true; } return false; } template ostream &operator<<(ostream &os, const pair &a) { os << "(" << a.first << ", " << a.second << ")"; return os; } template ostream &operator<<(ostream &os, const tuple &a) { auto [t, u, v] = a; os << "(" << t << ", " << u << ", " << v << ")"; return os; } template ostream &operator<<(ostream &os, const vector &a) { os << "("; for (auto itr = a.begin(); itr != a.end(); itr++) { os << *itr << (next(itr) != a.end() ? ", " : ""); } os << ")"; return os; } template ostream &operator<<(ostream &os, const deque &a) { os << "("; for (auto itr = a.begin(); itr != a.end(); itr++) { os << *itr << (next(itr) != a.end() ? ", " : ""); } os << ")"; return os; } template ostream &operator<<(ostream &os, const set &a) { os << "{"; for (auto itr = a.begin(); itr != a.end(); itr++) { os << *itr << (next(itr) != a.end() ? ", " : ""); } os << "}"; return os; } template ostream &operator<<(ostream &os, const multiset &a) { os << "{"; for (auto itr = a.begin(); itr != a.end(); itr++) { os << *itr << (next(itr) != a.end() ? ", " : ""); } os << "}"; return os; } template ostream &operator<<(ostream &os, const map &a) { os << "{"; for (auto itr = a.begin(); itr != a.end(); itr++) { os << *itr << (next(itr) != a.end() ? ", " : ""); } os << "}"; return os; } struct setup { static constexpr ll PREC = 20; setup() { cout << fixed << setprecision(PREC); cerr << fixed << setprecision(PREC); }; } setup; #ifdef ONLINE_JUDGE #define dump(...) (void(0)) #else void debug() { cerr << endl; } template void debug(Head &&head, Tail &&... tail) { cerr << head; if (sizeof...(Tail)) cerr << ", "; debug(tail...); } #define dump(...) cerr << __LINE__ << ": " << #__VA_ARGS__ << " = ", debug(__VA_ARGS__) #endif struct rep { struct itr { int v; itr(int v) : v(v) {} void operator++() { ++v; } int operator*() const { return v; } bool operator!=(const itr &i) const { return v != i.v; } }; int l, r; rep(int r) : l(0), r(r) {} rep(int l, int r) : l(l), r(r) {} itr begin() const { return l; }; itr end() const { return r; }; }; struct per { struct itr { int v; itr(int v) : v(v) {} void operator++() { --v; } int operator*() const { return v; } bool operator!=(const itr &i) const { return v != i.v; } }; int l, r; per(int r) : l(0), r(r) {} per(int l, int r) : l(l), r(r) {} itr begin() const { return r - 1; }; itr end() const { return l - 1; }; }; int main() { ll n; cin >> n; vll a(n), b(n); for (ll i : rep(n)) cin >> a[i]; for (ll i : rep(n)) cin >> b[i]; ll ans = 0; for (ll i : rep(n)) ans += abs(a[i] - b[i]); cout << ans << endl; auto rec = [&](auto rec, ll cur) -> void { if (cur == n) return; if (cur == n - 1 || b[cur] < a[cur + 1]) { while (a[cur] < b[cur]) { cout << cur + 1 << " R" << endl; a[cur]++; } while (a[cur] > b[cur]) { cout << cur + 1 << " L" << endl; a[cur]--; } rec(rec, cur + 1); } else { rec(rec, cur + 1); while (a[cur] < b[cur]) { cout << cur + 1 << " R" << endl; a[cur]++; } while (a[cur] > b[cur]) { cout << cur + 1 << " L" << endl; a[cur]--; } } }; rec(rec, 0); }