from bisect import *
N=int(input())
A=list(map(int, input().split()))
B=list(map(int, input().split()))
res=0
res2=[]
for i in range(N):
    a,b=A[i],B[i]
    j=bisect_left(A,b+1)-1
    cnt=j-i
    if cnt>=0:
        for k in range(i,j+1)[::-1]:
            new_a=b+cnt
            res+=new_a-A[k]
            res2.extend([(k+1,"R")]*(new_a-A[k]))
            A[k]=new_a
            cnt-=1
    else:
        res2.extend([(i+1,"L")]*(A[i]-B[i]))
        res+=A[i]-B[i]
print(res)
for k,c in res2:
    print(k,c)