function caffeineBuzz(n){

   var result = " ";

​

    if (n % 3 === 0) {

       if (n % 4 === 0) {

         result = "Coffee";

      } else {

        result = "Java";

      } if (n % 2 === 0) {

        result = result + "Script";

      }

   } else {

        return "mocha_missing!";

   } 

   return result;

} 

console.log(caffeineBuzz(1));  

console.log(caffeineBuzz(3));  

console.log(caffeineBuzz(6)); 

console.log(caffeineBuzz(12));