import sys
input = sys.stdin.readline

N=int(input())
A=list(map(int,input().split()))
B=list(map(int,input().split()))

ANS=[]
while A!=B:
    for i in range(N):
        if A[i]<B[i]:
            while A[i]<B[i] and (i+1==N or A[i+1]!=A[i]+1):
                ANS.append((i+1,"R"))
                A[i]+=1
        elif A[i]>B[i]:
            while A[i]>B[i] and (i==0 or A[i-1]!=A[i]-1):
                ANS.append((i+1,"L"))
                A[i]-=1

    for i in range(N-1,-1,-1):
        if A[i]<B[i]:
            while A[i]<B[i] and (i+1==N or A[i+1]!=A[i]+1):
                ANS.append((i+1,"R"))
                A[i]+=1
        elif A[i]>B[i]:
            while A[i]>B[i] and (i==0 or A[i-1]!=A[i]-1):
                ANS.append((i+1,"L"))
                A[i]-=1
                
    
print(len(ANS))
for x,y in ANS:
    print(x,y)