function solve(input) {
    let days = Number(input.shift());
    let quantity = Number(input.shift());
    let dogFood = 0;
    let catFood = 0;
    let totalEat = 0;
    let daysCounter = 0;
    let bisquit = 0;
    for (let i = 0; i < days; i++) {
        dogEat = Number(input.shift());
        dogFood += dogEat;
        catEat = Number(input.shift());
        catFood += catEat;
        lastMeal = dogEat + catEat;
        totalEat += dogEat + catEat;
        daysCounter++;
        if (daysCounter == 3) {
            bisquit = lastMeal * 0.10;
        }

    }
    let avarage = totalEat / quantity * 100;
    let dogAvarage = dogFood / totalEat * 100;
    let CatAvarage = catFood / totalEat * 100;
    console.log(`Total eaten biscuits: ${Math.round(bisquit)}gr.`)
    console.log(`${avarage.toFixed(2)}% of the food has been eaten.`)
    console.log(`${dogAvarage.toFixed(2)}% eaten from the dog.`)
    console.log(`${CatAvarage.toFixed(2)}% eaten from the cat.`)
}
solve([3,
    500,
    100,
    30,
    110,
    25,
    120,
    35

]

)