BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String sAge = reader.readLine();
int a = Integer.parseInt(sAge);
String sAge1 = reader.readLine();
int b = Integer.parseInt(sAge1);
String sAge2 = reader.readLine();
int c = Integer.parseInt(sAge2);
if (a < 0 && b < 0 && c < 0) {
System.out.println(0);
} else if ((a < 0 && b < 0 && c > 0) || (a < 0 && b > 0 && c < 0) || (a > 0 && b < 0 && c < 0) || (a%2!=0 && b%2!=0 && c%2==0) ||(a%2==0 && b%2!=0 && c%2!=0) || (a%2!=0 && b%2==0 &&c%2!=0)|| (a%2!=0 && b%2!=0 && c%2!=0 )) {
System.out.println(1);
} else if ((a > 0 && b > 0 && c < 0) || (a > 0 && b < 0 && c > 0) || (a < 0 && b > 0 && c > 0) || (a == 0 && b > 0 && c > 0) || (a > 0 && b == 0 && c > 0) || (a > 0 && b > 0 && c == 0)|| (a%2==0 && b%2!=0 && c%2==0) ||(a%2!=0 && b%2==0 && c%2==0) || (a%2==0 && b%2==0 &&c%2!=0) ){
System.out.println(2);
} else if ((a > 0 && b > 0 && c > 0)||(a%2==0 && b%2==0 && c%2==0)) {
System.out.println(3);
}package com.javarush.task.task04.task0428;
/*
Положительное число
*/
import java.io.*;
public class Solution {
public static void main(String[] args) throws Exception {
//напишите тут ваш код
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String sAge = reader.readLine();
int a = Integer.parseInt(sAge);
String sAge1 = reader.readLine();
int b = Integer.parseInt(sAge1);
String sAge2 = reader.readLine();
int c = Integer.parseInt(sAge2);
if (a < 0 && b < 0 && c < 0) {
System.out.println(0);
} else if ((a < 0 && b < 0 && c > 0) || (a < 0 && b > 0 && c < 0) || (a > 0 && b < 0 && c < 0) || (a%2!=0 && b%2!=0 && c%2==0) ||(a%2==0 && b%2!=0 && c%2!=0) || (a%2!=0 && b%2==0 &&c%2!=0)) {
System.out.println(1);
} else if ((a > 0 && b > 0 && c < 0) || (a > 0 && b < 0 && c > 0) || (a < 0 && b > 0 && c > 0) || (a == 0 && b > 0 && c > 0) || (a > 0 && b == 0 && c > 0) || (a > 0 && b > 0 && c == 0)|| (a%2==0 && b%2!=0 && c%2==0) ||(a%2!=0 && b%2==0 && c%2==0) || (a%2==0 && b%2==0 &&c%2!=0) ){
System.out.println(2);
} else if ((a > 0 && b > 0 && c > 0)||(a%2==0 && b%2==0 && c%2==0)) {
System.out.println(3);
}
}
}