n = int(input())
a = list(map(int, input().split()))
b = list(map(int, input().split()))

if a == b:
    print(0)
    exit()

ans = 0
lis = []
for i in range(n):
    cnt = abs(b[i]-a[i])
    if b[i]-a[i] > 0:
        for j in range(cnt):
           lis.append([i+1,"R"])
    elif b[i]-a[i] < 0:
        for j in range(cnt):
            lis.append([i+1,"L"])
        
    ans += cnt
    
print(ans)
for i in range(n):
    print(*lis[i])