function solve (params) {
  let shopList = params[0].split(' ')

  params
    .slice(2)
    .map(x => x.split(' '))
    .forEach(([command, ...args]) => {
      if (command === 'Include') {
        let shop = args[0]
        shopList.push(shop)
      } else if (command === 'Visit') {
        let [removeCommand, count] = [args[0], +args[1]]
        if (count <= shopList.length && removeCommand === 'first') {
          shopList.splice(0, count)
        } else if (count <= shopList.length && removeCommand === 'last') {
          shopList.splice(-count, count)
        }
      } else if (command === 'Prefer') {
        let [index1, index2] = [+args[0], +args[1]]

        if (
          index1 >= 0 &&
          index1 < shopList.length &&
          index2 >= 0 &&
          index2 < shopList.length
        ) {
          let temp = shopList[index1]

          shopList[index1] = shopList[index2]
          shopList[index2] = temp
        }
      } else if (command === 'Place') {
        let [shop, shopIndex] = [args[0], +args[1]]

        if (shopIndex >= 0 && shopIndex < shopList.length) {
          shopList.splice(shopIndex + 1, 0, shop)
        }
      }
    })

  console.log(`Shops left:\n${shopList.join(' ')}`)
}

solve([
  'Bershka CandyStore ThriftShop Armani Groceries ToyStore PeakStore',
  '5',
  'Include HM',
  'Visit first 2',
  'Visit last 1',
  'Prefer 3 1',
  'Place Library 2'
])