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;
}