viarno reshenie care of puppy

function careOfPuppy(input){
    let index = 0;
    let food = input[index++] * 1000;
    let foodEatenPerDay = input[index++];
    let flag = true;

    while (foodEatenPerDay != 'Adopted') {
        if(food - foodEatenPerDay >= 0){
            food -= foodEatenPerDay;
        }else{
            food -= foodEatenPerDay;
            flag = false;
        }
        foodEatenPerDay = input[index++];
    }
    if(flag){
        console.log(`Food is enough! Leftovers: ${food} grams.`);
    }else{
        console.log(`Food is not enough. You need ${Math.abs(food)} grams more.`);
    }

}