N = int(input())
a = list(map(int, input().split()))
b = list(map(int, input().split()))
inc, dec = [], []
cnt = 0
ans = []
for i in range(N):
    if b[i] > a[i]:
        inc.append([i, b[i]-a[i]])
    elif b[i] < a[i]:
        dec.append([i, a[i]-b[i]])
    cnt += abs(a[i]-b[i])

inc = inc[::-1]
print(cnt)
for id, num in inc:
    for _ in range(num):
        print(id+1, 'R')
for id, num in dec:
    for _ in range(num):
        print(id+1, 'L')