function partyTime(input){

    let partyList = {
        "vip": [],
        "regualer":[]
    }
   let partyTime = input.shift()

while(partyTime !== 'PARTY'){



   let char = partyTime[0]
  if(!isNaN(char)){
   partyList['vip'].push(partyTime)

   }else{
      partyList['regualer'].push(partyTime)
    }
    partyTime = input.shift()
}
input.forEach(name => {

    if(partyList['vip'].includes(name)){
        let index = partyList["vip"].indexOf(name)
        partyList["vip"].splice(index,1)
    }else if (partyList['regualer'].includes(name)){
        let index = partyList["regualer"].indexOf(name)
        partyList["regualer"].splice(index,1)
    }

});
console.log(partyList['vip'].length + partyList['regualer'].length)
for (let vipGuest of partyList['vip']){
    console.log(vipGuest)
}
for (let regualerGuest of partyList['regualer']){
    console.log(regualerGuest)
}

}