function solve(input) {

    let tshirtPrice = Number(input[0]);
    let neededSum = Number(input[1]);

    let shortsPrice = tshirtPrice * 0.75;
    let socksPrice = shortsPrice * 0.20;
    let shoesPrice = (shortsPrice + tshirtPrice) * 2;

    let sum = tshirtPrice + shortsPrice + socksPrice + shoesPrice;
    let afterDiscount = sum * 0.85;

    if (afterDiscount > neededSum) {
        console.log("Yes, he will earn the world-cup replica ball!");
        console.log("His sum is "+ afterDiscount.toFixed(2) +" lv.")
    } else {
        let diff = neededSum - afterDiscount;
        console.log("No, he will not earn the world-cup replica ball.")
        console.log(`He needs ${diff.toFixed(2)} lv. more.`)
    }


}