n = int(input())
a = list(map(int, input().split()))
b = list(map(int, input().split()))

d = list(range(n))

ans = 0
rec = []
while d:
  for i in d:
    if a[i] == b[i]:
      d.pop(d.index(i))
      continue
    if d.index(i) != 0:
      if a[d[d.index(i) - 1]] >= b[d[d.index(i)]]:
        continue
    if d.index(i) != len(d) - 1:
      if a[d[d.index(i) + 1]] <= b[d[d.index(i)]]:
        continue
    for j in range(abs(a[i] - b[i])):
      ans += 1
      rec.append(str(i + 1) + ' ' + ('L' if a[i] > b[i] else 'R'))
    d.pop(d.index(i))

print(ans)
print(*rec, sep='\n')