function solve(input) {
    let daysCount = Number(input.shift());
    let quantity = Number(input.shift());
    let dogFoodSum = 0;
    let catFoodSum = 0;
    let currentCookies=0;
    let cookies = 0;
    let totalFoodEaten = 0;
    let dogPercentage = 0;
    let catPercentage = 0;

    for (i = 1; i <= daysCount; i++) {

        let dogFood = Number(input.shift());
        dogFoodSum += dogFood;

        let catFood = Number(input.shift());
        catFoodSum += catFood;
        if (i % 3 == 0) {
            cookies = (dogFood + catFood) * 0.1;
            currentCookies+=cookies;
        }
    }

    totalFoodEaten = dogFoodSum + catFoodSum;
    dogPercentage = dogFoodSum / totalFoodEaten * 100;
    catPercentage = catFoodSum / totalFoodEaten * 100;

    console.log(`Total eaten biscuits: ${currentCookies.toFixed(0)}gr.`);
    console.log(`${((totalFoodEaten / quantity) * 100).toFixed(2)}% of the food has been eaten.`);
    console.log(`${dogPercentage.toFixed(2)}% eaten from the dog.`);
    console.log(`${catPercentage.toFixed(2)}% eaten from the cat.`);
}