#include<stdio.h>
long long int abs(long long int n)
{
	if (n < 0)
		n *= -1;
	return n;
}
int main()
{
	int n;
	scanf("%d", &n);
	int i;
	long long int a[200005], b[200005];
	for (i = 0; i < n; i++)
		scanf("%lld", &a[i]);
	for (i = 0; i < n; i++)
		scanf("%lld", &b[i]);
	long long int cnt = 0;
	for (i = 0; i < n; i++)
		cnt += abs(a[i] - b[i]);
	printf("%lld\n", cnt);
	for (i = 0; i < n; i++)
	{
		while (a[i] < b[i])
		{
			printf("%d R\n", i + 1);
			a[i]++;
		}
		while (a[i] > b[i])
		{
			printf("%d L\n", i + 1);
			a[i]--;
		}
	}
	return 0;
}