// Add an else statement in case the number is divisible by 5.

// for the numbers 1 through 20,
for (i=1; i<=20; i++) {

  // if the number is divisible by 3, write "Fizz"
  if ( i % 3 === 0 ) {
    console.log("Fizz");
    if ( i % 5 === 0) {
      ("Fizz".replace("Fizz","FizzBuzz"));
  }

  // if the number is divisible by 5, write "Buzz"
  else if (i % 5 === 0) {
    console.log("Buzz");
  }
  // otherwise, write just the number
  else {
    console.log(i);
  }
}