function bomb(arr1, arr2) {
  let num = arr2.shift();
  let range = arr2.pop();

  for (let i = 0; i < arr1.length; i++) {
    if (arr1[i] === num) {
      //let index = arr1.indexOf(num);
      arr1.splice(Math.max(0, i - range), 2 * range + 1);
      i--;
    }
  }

  console.log(arr1.reduce((a, b) => a + b, 0));
}