Day 9: Recursion

/* https://www.hackerrank.com/challenges/30-recursion */

function processData(input) {
    //Enter your code here
    console.log(factorial(input));
}

function factorial(n){
    if (n == 0)
        return 1;
    else
        return (n*(factorial(n - 1)));
}

process.stdin.resume();
process.stdin.setEncoding("ascii");
_input = "";
process.stdin.on("data", function (input) {
    _input += input;
});

process.stdin.on("end", function () {
   processData(_input);
});