import itertools

def half(list, direction):
  length = len(list)
  num = int(length / 2)
  if direction == 'F' or direction == 'R':
    return list[0:num]
  else:
    return list[num:]

def pos(directions):
    rows = [i for i in range(128)]
    cols = [i for i in range(8)]
    for i in directions:
        if i == "F" or i == "B":
          rows = half(rows, i)
        elif i == "L" or i == "R":
          cols = half(cols, i)
    return (rows[0], 7 - cols[0])

def id(coord):
    return (coord[0] * 8) + coord[1]

fd = open('input', 'r')
lines = fd.readlines()
def part1():
    greatest = 0
    for i in lines:
        i = i.rstrip()
        if id(pos(i)) > greatest:
            greatest = id(pos(i))

def part2():
    rows = []
    cols = []

    grandlist = [['.' for i in range(8)] for j in range(128)]
    for i in lines:
        i = i.rstrip()
        item = pos(i)
        grandlist[item[0]][item[1]] = 'X'

    print("1 2 3 4 5 6 7 8")
    cnt = 1
    for i in grandlist:
        print(' '.join(i) + ' ' + str(cnt))
        cnt += 1

    # it's 81, 3 (you have to look at the chart)
    print(id((80, 2)))

part2()