Exams - Vehicles

"use strict";

function solve(args) {
    var s = parseInt(args[0]);
    var count = 0;
    var car, truck, trike;
    for (car = 0; car <= 50; car += 1) {
        for (truck = 0; truck <= 20; truck += 1) {
            for (trike = 0; trike < 67; trike += 1) {
                if ((4* car + 10 * truck + 3 * trike) === s) {
                    count += 1;
                }
            }
        }
    }

    console.log(count);
}

solve([ '7' ]);
solve([ '10' ]);
solve([ '40' ]);