помогите
package com.javarush.task.task04.task0428;
import java.io.BufferedReader;
import java.io.InputStreamReader;
/*
Положительное число
*/
public class Solution {
public static void main(String[] args) throws Exception {
//напишите тут ваш код
BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));
String sNumber1 = reader.readLine();
String sNumber2 = reader.readLine();
String sNumber3 = reader.readLine();
int a = Integer.parseInt(sNumber1);
int b = Integer.parseInt(sNumber2);
int c = Integer.parseInt(sNumber3);
boolean one = (a > 0);
boolean two = (b > 0);
boolean three = (c > 0);
if ((!one && !two && !three) || ((a == 0) && (b == 0) && (c == 0)))
System.out.println("0");
if (one || two || three)
System.out.println("1");
if ((one && two) || (one && three) || (two && three))
System.out.println("2");
if (one && two && three)
System.out.println("3");
}
}