Codeschool: Javascript Roadtrip II Challenge

numSheep.js

var numSheep = 4;
var monthsToPrint = 12;

for(var monthNumber = 1; monthNumber <= monthsToPrint; monthNumber++) {
  if (monthNumber % 4 = 0) {
		numSheep *= .75;
    var removed = numSheep;
    console.log("Removing " + removed + " sheep from the population. Phew!");
  } else if (numSheep > 10000) {
		numSheep /= 2;
    var removed = numSheep;
    console.log("Removing " + removed + " sheep from the population. Phew!");
  } else {
  }
  numSheep*=4;
  console.log("There will be " + numSheep + " sheep after " + monthNumber + " month(s)!");
}