#include <bits/stdc++.h>
using namespace std;
using ll =long long;

int main() {
ll N;cin>>N;
vector<ll> A(N);
vector<ll> B(N);
for(ll i=0;i<N;i++) cin>>A[i];
for(ll i=0;i<N;i++) cin>>B[i];
ll M=0;
for(ll i=0;i<N;i++) {
  M+=abs(A[i]-B[i]);
}
cout<<M<<endl;

deque<ll> S;
for(ll i=0;i<N;i++) {
  if(A[i]==B[i]) continue;

  if(B[i]<A[i]) { 
     if(S.size()>0) {
       while(!S.empty()) {
         ll k=S.front();
         S.pop_front();
         for(ll j=0;j<B[k]-A[k];j++) {
           cout<<k+1<<" "<<'R'<<endl;
         }
       }
     }

     for(ll j=0;j<A[i]-B[i];j++) {

    cout<<i+1<<" "<<'L'<<endl;
     }
  }


  else {
    S.push_front(i);
    if(i==N-1) {
      while(!S.empty()) {
      ll k=S.front();
         S.pop_front();
         for(ll j=0;j<B[k]-A[k];j++) {
           cout<<k+1<<" "<<'R'<<endl;
         }
       }
    }
  }
}
return 0;
}