public class Solution { public static void main(String[] args) throws Exception { //напишите тут ваш код BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); int b = 0; for (int i = 0; i < 4; i++) { int a = Integer.parseInt(reader.readLine()); if (b == 0) b = a; else if (b <= a) b = a; } System.out.println(b); } }