Cat Food

function catFood(input) {

    let num = Number(input.shift());

    let firstGroup = 0;
    let secondGroup = 0;
    let thirdGroup = 0;
    let totalFood = 0;

    for (let i = 0; i < num; i++) {
        let food = Number(input.shift());
        totalFood += food;
        if (food >= 100 && food < 200) {
            firstGroup++;
        } else if (food >= 200 && food < 300) {
            secondGroup++;
        } else if (food >= 300 && food < 400) {
            thirdGroup++;
        }
    }
    let price = totalFood * 0.01245;

    console.log(`Group 1: ${firstGroup} cats.`);
    console.log(`Group 2: ${secondGroup} cats.`);
    console.log(`Group 3: ${thirdGroup} cats.`);
    console.log(`Price for food per day: ${price.toFixed(2)} lv.`);

}