n=int(input())
a=list(map(int,input().split()))
b=list(map(int,input().split()))
ans=[]
for i in range(n):
    if a[i]<b[i]:
        for j in range(b[i]-a[i]):
            ans.append(' '.join([str(i+1),R]))
    else:
        for j in range(b[i]-a[i]):
            ans.append(' '.join([str(i+1),L]))
print(len(ans))
for i in ans:
    print(i)