text: 'use strict';
  
  setInterval(function() {
      document.querySelector('body').style.background = 'black';
  }, 30000);
  
  const Comparison = (string1, string2) => {
    let answer = '';
    string1.length > string2.length ? answer = string1 : answer = string2;
    alert(answer);
  }
  
  Comparison('BMW', 'Volkswagen вітає вас!');