package com.codegym.task.task04.task0424; /* Three numbers */ import java.io.*; public class Solution { public static void main(String[] args) throws Exception { //write your code here BufferedReader reader = new BufferedReader(new InputStreamReader(System.in)); String numberString = reader.readLine(); String[]numberStr = numberString.split(" "); int[] numbers = new int[numberStr.length]; for(int i = 0;i < numberStr.length;i++) { numbers[i] = Integer.parseInt(numberStr[i]); } if((numbers[0] == numbers[1]) && (numbers[0] != numbers[2])){ System.out.println(3); } else if((numbers[0] == numbers[2]) && (numbers[0] != numbers[1])){ System.out.println(2); } else if((numbers[1] == numbers[2]) && (numbers[1] != numbers[0])){ System.out.println(1); } else{ } } }