n = int(input())
A = list(map(int, input().split()))
B = list(map(int, input().split()))
ans1 = []
ans2 = []
m = 0
for i, (a, b) in enumerate(zip(A, B)):
    d = a-b
    if d < 0:
        ans1 += [(i+1, 'R')]*abs(d)
    elif d > 0:
        ans2 += [(i+1, 'L')]*abs(d)
    m += abs(d)
print(m)
ans1.reverse()
for k, c in ans1:
    print(k, c)
for k, c in ans2:
    print(k, c)