typedef long long ll;
typedef long double ld;
#include <bits/stdc++.h>
using namespace std;
#define int long long

signed main(){
    ll n;
    std::cin >> n;
    vector<ll> a(n),b(n);
    for (int i = 0; i < n; i++) {
        std::cin >> a[i];
    }
    for (int i = 0; i < n; i++) {
        std::cin >> b[i];
    }
    vector<pair<ll,char>> ans;
    for (int i = 0; i < n; i++) {
        while(a[i]>b[i]){
            ans.push_back({i, 'L'});
            a[i]--;
        }
    }
    for (int i = 0; i < n; i++) {
        while(a[i]<b[i]){
            ans.push_back({i, 'R'});
            a[i]++;
        }
    }
    std::cout << ans.size() << std::endl;
    for (auto e : ans) {
        auto [c,d] = e;
        std::cout << c+1<<" "<<d << std::endl;
    }
}