package com.javarush.task.task04.task0441; /* Как-то средненько */ import java.io.*; import java.util.*; public class Solution { public static void main(String[] args) throws Exception { BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); String sx1 = reader.readLine(); int nx1 = Integer.parseInt(sx1); String sx2 = reader.readLine(); int nx2 = Integer.parseInt(sx2); String sx3 = reader.readLine(); int nx3 = Integer.parseInt(sx3); int middle = (nx1 + nx2 + nx3) / 3; if (nx1 == nx2 && nx2 == nx3) System.out.println(nx1); else { if (nx1 == nx2 || nx1 == nx3 ) System.out.println(nx1); else { if (nx2 == nx1 || nx2 == nx3) System.out.println(nx2); { if (Math.abs(nx1 - middle) < Math.abs(nx2 - middle) && Math.abs(nx1 - middle) < Math.abs(nx3 - middle)) System.out.println(nx1); if (Math.abs(nx2 - middle) < Math.abs(nx1 - middle) && Math.abs(nx2 - middle) < Math.abs(nx3 - middle)) System.out.println(nx2); if (Math.abs(nx3 - middle) < Math.abs(nx2 - middle) && Math.abs(nx3 - middle) < Math.abs(nx1 - middle)) System.out.println(nx3); } } } } }