mod = 1000000007
eps = 10**-9


def main():
    import sys
    input = sys.stdin.readline

    N = int(input())
    A = list(map(int, input().split()))
    B = list(map(int, input().split()))
    A.append(10**7)
    B.append(10**7)
    N += 1

    st = []
    ans = []
    S = 0
    for i in range(N):
        a = A[i]
        b = B[i]
        S += abs(a - b)
        if a < b:
            st.append((i+1, b - a))
        else:
            while st:
                k, x = st.pop()
                ans.append((k, "R", x))
            ans.append((i+1, "L", a - b))

    print(S)
    for k, s, x in ans:
        for _ in range(x):
            print(k, s)


if __name__ == '__main__':
    main()