package main

import (
  "aoc2022/day14/common"
  "bufio"
  "fmt"
  "os"
)

func main() {
  rockStructures := common.Parse(*bufio.NewScanner(os.Stdin))
  tileMap := common.NewMap()

  for _, rockStructure := range rockStructures {
    tileMap.AddRockStructure(rockStructure)
  }

  units := 0
  for tileMap.DropSand() {
    units++
  }

  fmt.Println(units)
}