function vendingMashine(input) {
    let money = Number(input.shift());
    let coins = money * 100;
    let counter = 0 ;


    while(coins > 0){
        if (coins >= 200){
        coins -= 200
        counter++;
        } else if (coins >= 100) {
            coins -=100
            counter++;
        } else if (coins >=50){
            coins -= 50
            counter++;
        } else if (coins >=20){
            coins -= 20
            counter++;
        } else if (coins >=10){
            coins -= 10
            counter++;
        } else if (coins >=5){
            coins -= 5
            counter++;
        } else if (coins >=2){
            coins -= 2
            counter++;
        } else if (coins >=1){
            coins -= 1
            counter++;
        }

    }
    console.log(counter)
}