#include <bits/stdc++.h> 

using namespace std;
using ll=long long;
using ull=unsigned long long;
using pii=pair<int,int>;

#define INF LONG_MAX
#define MOD1 1000000007
#define MOD2 998244353
#define MOD MOD1
#define rng(a) a.begin(),a.end()
#define rrng(a) a.end(),a.begin()
#define endl "\n"
#define int ll

signed main(){
    ios::sync_with_stdio(false);
    cin.tie(0);

    int N;
    cin>>N;
    vector<int>A(N),B(N);
    for(int i=0;i<N;i++)cin>>A[i],A[i]--;
    for(int i=0;i<N;i++)cin>>B[i],B[i]--;
    sort(rng(A));
    sort(rng(B));
    int s=0;
    for(int i=0;i<N;i++)s+=abs(A[i]-B[i]);
    cout<<s<<endl;
    for(int i=N-1;i>=0;i--){
        if(A[i]<B[i]){
            for(int j=A[i];j<B[i];j++)cout<<i+1<<" R"<<endl;
        }
    }
    for(int i=0;i<N;i++){
        if(B[i]<A[i]){
            for(int j=A[i];j>B[i];j--)cout<<i+1<<" L"<<endl;
        }
    }

    return 0;
}