function solve(input) {
  const priceStrawberry = 3.50;
  const priceBlueberry = 5.00;

  const rows = Number(input[0]);
  const columns = Number(input[1]);

  let countStrawberry = 0;
  let countBlueberry = 0;

  for (let row = 1; row <= rows; row++) {
    if (row % 2 !== 0) {
      countStrawberry += columns;
      continue;
    }

    for (let col = 1; col <= columns; col++) {
      if (col % 3 !== 0) {
        countBlueberry++;
      }
    }
  }

  const profit = (countStrawberry * priceStrawberry + countBlueberry * priceBlueberry) * 0.8;

  console.log(`Total: ${profit.toFixed(2)} lv.`);
}