public class Solution { public static String[] strings; public static void main(String[] args) { Scanner scan = new Scanner(System.in); strings = new String[6]; for (int i = 0; i < 5; i++) { strings [i] = scan.nextLine(); if (strings[i].equals(strings[i]+1)) strings[i] = null; } //напишите тут ваш код for (int i = 0; i < strings.length; i++) { System.out.print(strings[i] + ", "); } } }