puppyCare.js

function puppyCare(input) {
    let index = 0;
    let food = Number(input[index]) * 1000;
    index++;
    let command = input[index];
    index++;
    let foodSum = 0;

    while (command !== "Adopted") {
        let foodDaily = Number(command);
        foodSum += foodDaily;

        command = input[index];
        index++;
    }

    if (food >= foodSum) {
        console.log(`Food is enough! Leftovers: ${food - foodSum} grams.`);
    } else {
        console.log(`Food is not enough. You need ${foodSum - food} grams more.`);
    }
}