function solve(input) {



let ageLily = Number(input[0]);

let priceWashingMachine = Number(input[1]);

let priceOneToy = Number(input[2]);


let odd = 0;

let even = 0;

let toysPrice = 0;

let moneyFinal = 0;

let moneyPerBirth = 0;

let allMoney = 0;

let moneyLeft = 0;

let countIncrease = 10;


for (let i = 1; i <= ageLily; i++) {

  if (i % 2 !== 0) {

    odd += 1;

  } else {

    even += 1;

  }

}




for (let i = 1; i <= even; i++) {


moneyPerBirth += countIncrease;

countIncrease += 10;


}


moneyFinal = moneyPerBirth - even;

toysPrice = odd * priceOneToy;

allMoney = moneyFinal + toysPrice;

moneyLeft = allMoney - priceWashingMachine;


if (allMoney >= priceWashingMachine) {

  console.log(`Yes! ${moneyLeft.toFixed(2)}`);

} else {

  moneyLeft = Math.abs(moneyLeft);

  console.log(`No! ${moneyLeft.toFixed(2)}`);

}


}



solve([

'10',
'170',
'6'

]);