function heartDelivery(arrOfElements) {
  let neighborhood = arrOfElements.shift().split("@").map(Number);
  let actions = arrOfElements.shift().split(" ");
  let currentCommand = actions.shift();
  let previousIndex = 0;

  while (currentCommand !== "Love!") {
    let jumpIndex = Number(actions.shift());
    jumpIndex += previousIndex;

    if (jumpIndex >= neighborhood.length || jumpIndex < 0) {
      jumpIndex = 0;
    }

    if (neighborhood[jumpIndex] !== 0) {
      neighborhood[jumpIndex] -= 2;
      if (neighborhood[jumpIndex] <= 0) {
        console.log(`Place ${jumpIndex} has Valentine's day.`);
      }
    } else {
      console.log(`Place ${jumpIndex} already had Valentine's day.`);
    }
    previousIndex = jumpIndex;
    actions = arrOfElements.shift().split(" ");
    currentCommand = actions.shift();
  }

  let failedPlaces = neighborhood.filter((x) => x !== 0);
  let successPlaces = neighborhood.filter((y) => y === 0);

  console.log(`Cupid's last position was ${previousIndex}.`);
  if (successPlaces.length === neighborhood.length) {
    return console.log(`Mission was successful.`);
  } else {
    //console.log(`Cupid's last position was ${previousIndex}.`);
    console.log(`Cupid has failed ${failedPlaces.length} places.`);
  }
}