import sys
input = sys.stdin.readline
N = int(input())
a = list(map(int, input().split()))
b = list(map(int, input().split()))

res = []
for i in range(N):
  x = a[i]
  y = b[i]
  while x != y:
    if x < y:
      res.append((i + 1, "R"))
      x += 1
    else:
      res.append((i + 1, "L"))
      x -= 1

print(len(res))
for r in res: print(*r)