class Vacation{
    constructor(organizer,destination,budget){
        this.organizer=organizer;
        this.destination=destination;
        this.budget=budget;
        this.kids={};
    }

    registerChild(name,grade,budget){
        let kid={
            [grade]:[name,budget]
        }
        Object.keys(kid).forEach(k=>{
            let currentGrade=k;
            let [currentName,currentBudget]=kid[k]
            if(currentBudget<this.budget){
                return `${currentName}'s money is not enough to go on vacation to {destination}.`
            }



        })


    }

    removeChild(name,grade){

    }

    toString(){

    }

    numberOfChildren(){

    }
}



let vacation = new Vacation('Mr Pesho', 'San diego', 2000);
console.log(vacation.registerChild('Gosho', 5, 2000));
console.log(vacation.registerChild('Lilly', 6, 2100));
console.log(vacation.registerChild('Pesho', 6, 2400));
console.log(vacation.registerChild('Gosho', 5, 2000));
console.log(vacation.registerChild('Tanya', 5, 6000));
console.log(vacation.registerChild('Mitko', 10, 1590));