function food(input){
    let dayCount = Number(input.shift());
    let totalFood = Number(input.shift());
    let totalFoodDog = 0;
    let totalFoodCat = 0;
    let eatenFood = 0;
    let biscuits = 0;
    for(let i = 1; i <= dayCount; i++){
        let foodDogPerDay = Number(input.shift());
        let foodCatPerDay = Number(input.shift());
        totalFoodCat += foodCatPerDay;
        totalFoodDog += foodDogPerDay;
        if(i % 3 == 0){
            bisquits = ((foodCatPerDay + foodDogPerDay)*0.1);
        }
    }
    eatenFood = totalFoodDog + totalFoodCat;
    let totalFoodDogProcent = totalFoodDog/eatenFood*100;
    let totalFoodCatProcent = totalFoodCat/eatenFood*100;
    let eatenFoodProcent = eatenFood/totalFood*100;
    console.log(`Total eaten biscuits: ${Math.round(bisquits)}gr.`);
    console.log(`${eatenFoodProcent.toFixed(2)}% of the food has been eaten.`);
    console.log(`${totalFoodDogProcent.toFixed(2)}% eaten from the dog.`);
    console.log(`${totalFoodCatProcent.toFixed(2)}% eaten from the cat.`);
}