import sys
if sys.platform =='ios':
	import clipboard
	a=clipboard.get()
	a = a.split('\n')
	text = '\n'.join(a)
	with open('input_file.txt','w') as f:
		f.write(text)
	sys.stdin = open('input_file.txt')
	
n = int(input())
a = list(map(int,input().split()))
b = list(map(int,input().split()))
cnt = 0
for i in range(n):
	cnt += abs(a[i]-b[i])
print(cnt)
i = 0
while a != b:
	if a[i] != b[i]:
		if a[i] < b[i]:
			a[i] += 1
			print(i+1,"R")
		else:
			print(i+1,"L")
			a[i] -= 1
	else:
		i += 1