merry and puppy - problem1 - mid exam

function solve1(input) {
    let foodInKilograms = Number(input[0]);
    //console.log(foodInKilograms);
    let hayInKilograms = Number(input[1]);
    //console.log(hayInKilograms);
    let coverInKilograms = Number(input[2]);
    //console.log(coverInKilograms);
    let guineaWeightInKilograms = Number(input[3]);
   // console.log(guineaWeightInKilograms);

let day = 0;
let foodInGrames = foodInKilograms * 1000;
let foodInGramesInDay = foodInGrames - 300;
let food = foodInGrames - 9000;
let hayInGrames = hayInKilograms * 1000;
let coverInGrames = coverInKilograms * 1000;
let weigthInGrames = guineaWeightInKilograms * 1000;
let foodInDay = (foodInGrames / 30).toFixed(2);
let foodInTwoDay = foodInGrames - 600;
console.log(foodInTwoDay);
let hay = 0;
let cover = 0;
let hayInDay = hayInGrames - hay;
if (day % 2 === 0) {
   hayIn = foodInTwoDay * 0.05;

}
let hayU = hayInGrames - hayIn;

    if (day % 3 === 0) {
        cover = coverInGrames - weigthInGrames / 3;
    }

while (foodInGrames >= 0) {
    day++;



if(foodInGrames > 0 && hayInGrames > 0 && weigthInGrames > 0)  {
    console.log(`Everything is fine! Puppy is happy! Food: ${(food / 1000).toFixed(2)}, Hay: ${(hayInGrames/15).toFixed(2)}, Cover: ${cover.toFixed(2)}`);
} else if (foodInGrames == 0 || hayInGrames == 0 || coverInGrames == 0) {
    console.log(`Marry must go to pet store!`);
}
break;
}
}

solve1(["10",
"5",
"5.2",
"1"]);