function solve(input) {



  let budged = Number(input[0]);

  let countBuyedProducts = 0;
  let priceOfPurchases = 0;


  for (let i = 1; i < input.length; i = i + 2) {


    if (input[i] !== 'Stop') {


      let currentNumber = Number(input[i + 1]);

      budged -= currentNumber;

      if (budged <= 0) {

        budged = Math.abs(budged);

        console.log(`You don't have enough money!`);
        console.log(`You need ${budged.toFixed(2)} leva!`);

        break;

      }

      countBuyedProducts += 1;

      if (countBuyedProducts % 3 === 0) {

        currentNumber = currentNumber / 2;

      }

      priceOfPurchases += currentNumber;



    } else {


      console.log(`You bought ${countBuyedProducts} products for ${priceOfPurchases.toFixed(2)} leva.`);


      break;

    }


  } // For Loop





}


solve([

  '150',
  'Backpack',
  '25.20',
  'Shoes',
  '54',
  'Sunglasses',
  '30',
  'Backpack',
  '25.20',
  'Shoes',
  '54',
  'Sunglasses',
  '30',
  'Stop'

//   '54',
// 'Thermal underwear',
// '24',
// 'Sunscreen',
// '45'

]);