03. Merge Arrays

function solve(first, second) {

    let third = [];

    for(let i = 0; i < first.length; i++) {
        if (i % 2 === 1) {
            third.push((first[i] + second[i]).toString());
        } else {
            third.push(Number(first[i]) + Number(second[i]));
        }
    }
    console.log(third.join(" - "));
}