local n = io.read("*n")
local a, b = {}, {}
for i = 1, n do
  a[i] = io.read("*n")
end
for i = 1, n do
  b[i] = io.read("*n")
end
local c = {}
local tp = {}
local csum = 0
for i = 1, n do
  if a[i] < b[i] then
    tp[i] = "R"
    c[i] = b[i] - a[i]
  elseif b[i] < a[i] then
    tp[i] = "L"
    c[i] = a[i] - b[i]
  else
    tp[i] = ""
    c[i] = 0
  end
  csum = csum + c[i]
end
print(csum)
local curpos = 1
while curpos <= n do
  if tp[curpos] == "R" then
    local spos = curpos
    local tpos = curpos + 1
    while tpos <= n and tp[tpos] == "R" do
      tpos = tpos + 1
    end
    for i = tpos - 1, spos, -1 do
      io.write(string.rep(i .. " R\n", b[i] - a[i]))
    end
    curpos = tpos
  else
    curpos = curpos + 1
  end
end
curpos = n
while 1 <= curpos do
  if tp[curpos] == "L" then
    local spos = curpos
    local tpos = curpos - 1
    while 1 <= tpos and tp[tpos] == "L" do
      tpos = tpos - 1
    end
    for i = tpos + 1, spos do
      io.write(string.rep(i .. " L\n", a[i] - b[i]))
    end
    curpos = tpos
  else
    curpos = curpos - 1
  end
end