def scc(E):
    n = len(E)
    iE = [[] for _ in range(n)]
    for i, e in enumerate(E):
        for v in e:
            iE[v].append(i)
    T = []
    done = [0] * n # 0 -> 1 -> 2
    ct = 0
    for i0 in range(n):
        if done[i0]: continue
        Q = [~i0, i0]
        while Q:
            i = Q.pop()
            if i < 0:
                if done[~i] == 2: continue
                done[~i] = 2
                T.append(~i)
                ct += 1
                continue
            if i >= 0:
                if done[i]: continue
                done[i] = 1
            for j in E[i]:
                if done[j]: continue
                Q.append(~j)
                Q.append(j)
    
    done = [0] * n
    SCC = []
    ### ID が必要なとき
    I = [0] * n
    ###
    for i0 in T[::-1]:
        if done[i0]: continue
        L = []
        Q = [~i0, i0]
        while Q:
            i = Q.pop()
            if i < 0:
                if done[~i] == 2: continue
                done[~i] = 2
                L.append(~i)
                ###
                I[~i] = len(SCC)
                ###
                continue
            if i >= 0:
                if done[i]: continue
                done[i] = 1
            for j in iE[i]:
                if done[j]: continue
                Q.append(~j)
                Q.append(j)
        SCC.append(L)
    return SCC, I

N = int(input())
A = [int(a) for a in input().split()]
B = [int(a) for a in input().split()]

ans = sum([abs(a - b) for a, b in zip(A, B)])

X = [[] for _ in range(N)]
for i in range(N - 1):
    if B[i] >= A[i+1]:
        X[i+1].append(i)
    if B[i+1] <= A[i]:
        X[i].append(i + 1)

L, I = scc(X)
print(ans)
ANS = []
for a in L:
    i = a[0]
    if B[i] > A[i]:
        ANS += [str(i + 1) + " R"] * (B[i] - A[i])
    elif B[i] < A[i]:
        ANS += [str(i + 1) + " L"] * (A[i] - B[i])
print("\n".join(ANS))