Create a program that takes two inputs, an int array of numbers and a sum. The program should output the unique pairs of numbers in the array that equal the sum.

 let A = [ 1,2,3,4,5,6,7,8];
        let n =3 ;
        print(A, n);
function print(array, sum)
    {
        let n = new Set();
        for (let i = 0; i < array.length; ++i)
        {
            let p = sum - array[i];
             if (n.has(p)) {
                document.write(
                    "("+ array[i]
                    + ", " + p + ")");
            }
            n.add(array[i]);
        }
    } 

I have created this solution but I do not know how to take user input in this, please help me for this problem solution.