function solution(sizes) {
    let width = 0;
    let height = 0;
    sizes.map((e) => {
        let temp = 0;
        if (e[0] < e[1]) {
            temp = e[0];
            e[0] = e[1];
            e[1] = temp;
        }
        return e;
    }).forEach((e) => {
        if (width < e[0]) width = e[0];
        if (height < e[1]) height = e[1];
    });
    return width * height;
}