#!/bin/python3
import sys,re
from pprint import pprint
sys.path.insert(0, '../../')
from fred import list2int

input_f = 'input'

part = 2
#########################################
#                                       #
#              Part 1                   #
#                                       #
#########################################

if part == 1:
    result = 0
    arr = []
    l = 101
    for i in range(0,l):
        arr.append([])
        for j in range(0,l):
            arr[i].append('O')

    start=int((l-1)/2)

    X = start
    Y = start

    with open(input_f) as file:
        for line in file:
            tmp = list(line.rstrip())
            arr[X][Y] = 'X'
            for idx,i in enumerate(tmp):
                if i == '^':
                    Y -= 1
                if i == '>':
                    X += 1
                if i == '<':
                    X -= 1
                if i == 'v':
                    Y += 1

                arr[X][Y] = 'X'

    for idx,i in enumerate(arr):
        for jdx,j in enumerate(i):
            if arr[idx][jdx] == 'X':
                result += 1
    print(result)




#########################################
#                                       #
#              Part 2                   #
#                                       #
#########################################
if part == 2:
    result = 0
    arr = []
    l = 101
    for i in range(0,l):
        arr.append([])
        for j in range(0,l):
            arr[i].append('O')

    start=int((l-1)/2)

    X = start
    Y = start

    rX = start
    rY = start

    with open(input_f) as file:
        for line in file:
            tmp = list(line.rstrip())
            arr[X][Y] = 'X'
            arr[rX][rY] = 'X'
            for idx,i in enumerate(tmp):
                if idx % 2 == 0:
                    if i == '^':
                        Y -= 1
                    if i == '>':
                        X += 1
                    if i == '<':
                        X -= 1
                    if i == 'v':
                        Y += 1
                else:
                    if i == '^':
                        rY -= 1
                    if i == '>':
                        rX += 1
                    if i == '<':
                        rX -= 1
                    if i == 'v':
                        rY += 1

                arr[X][Y] = 'X'
                arr[rX][rY] = 'X'

    for idx,i in enumerate(arr):
        for jdx,j in enumerate(i):
            if arr[idx][jdx] == 'X':
                result += 1
    print(result)