function solve(sequence, bomb) {
  let index,
      removeCount = bomb[1];

  while (true) {
      index = sequence.indexOf(bomb[0]);
      if (index != -1) {
          sequence.splice(Math.max(0,index-removeCount), removeCount*2+1);
      }
      else {
          break;
      }
  }
  console.log(sequence.reduce((a, b) => a + b,0));
}