viarno reshenie combinations1

function solve(input) {
    n = Number(input[0]);
    let combinations = 0;
    for(let i = 0; i <= n; i++) {
        for(let j = 0; j <= n; j++) {
            for(let k = 0; k <= n; k++) {
                if (i + j + k == n) {
                    combinations++;
                }
            }
        }
    }
    console.log(combinations);
}