#include <stdio.h>
#include <stdlib.h>

int main()
{
	int i, j, N, A[200001], B[200001], ans = 0;
	scanf("%d", &N);
	for (i = 1; i <= N; i++) scanf("%d", &(A[i]));
	for (i = 1; i <= N; i++) scanf("%d", &(B[i]));
	for (i = 1; i <= N; i++) ans += abs(A[i] - B[i]);
	printf("%d\n", ans);
	for (i = 1; i <= N; i++) {
		while (A[i] != B[i]) {
			if (A[i] > B[i]) {
				printf("%d L\n", i);
				A[i]--;
			} else {
				for (j = i; j < N && A[j] == A[j+1] - 1; j++);
				printf("%d R\n", j);
				A[j]++;
			}
		}
	}
	fflush(stdout);
	return 0;
}