def main():
    N = int(input())
    A = list(map(int, input().split()))
    B = list(map(int, input().split()))
    ctr = 0
    ops = []
    large_idx = -1
    for idx in range(N):
        tmp_idx = idx
        if A[tmp_idx] >= B[tmp_idx]:
            ctr += A[tmp_idx] - B[tmp_idx]
            for cur in range(A[tmp_idx] - B[tmp_idx]):
                ops.append((tmp_idx, "L"))
            A[tmp_idx] = B[tmp_idx]

            continue
        if tmp_idx >= large_idx:
            large_idx = -1
            for shift_idx in range(tmp_idx + 1, N):
                if A[shift_idx] >= B[shift_idx]:
                    large_idx = shift_idx
                    break
            else:
                large_idx = N
        for idx_2 in reversed(range(tmp_idx, large_idx)):
            ctr += B[idx_2] - A[idx_2]
            for _ in range(B[idx_2] - A[idx_2]):
                ops.append((idx_2, "R"))
            A[idx_2] = B[idx_2]
    print(ctr)
    for op_ in ops:
        print(op_[0] + 1, op_[1])


if __name__ == "__main__":
    main()