#include <bits/stdc++.h>
#define rep(i, n) for (int i = 0; i < (n); ++i)
#define drep(i, n) for (int i = (n) - 1; i >= 0; --i)

using std::cin;
using std::cout;
using std::vector;

int main() {
	int n;
	cin >> n;
	
	vector<int> a(n), b(n);
	rep(i, n) cin >> a[i];
	rep(i, n) cin >> b[i];
	
	int m = 0;
	rep(i, n) m += abs(a[i] - b[i]);
	cout << m << '\n';
	
	rep(i, n)rep(j, a[i] - b[i]) cout << i + 1 << " L\n";
	drep(i, n)rep(j, b[i] - a[i]) cout << i + 1 << " R\n";
	
	return 0;
}