N = int(input())
A = list(map(int,input().split()))
B = list(map(int,input().split()))
j = 0
ans = []
while A != B and j < 5:
    for i in range(N):
        if A[i] == B[i]:
            continue
        elif A[i] > B[i]:
            if i == 0:
                ans.append([i+1, "L"])
                A[i] -= 1
            elif A[i] - A[i-1] > 1:
                ans.append([i+1, "L"])
                A[i] -= 1
        elif A[i] < B[i]:
            if i == N - 1:
                ans.append([i+1, "R"])
                A[i] += 1
            elif A[i + 1] - A[i] > 1:
                ans.append([i+1, "R"])
                A[i] += 1
    j += 1            
print(len(ans))
for a in ans:
    print(*a)