"Note that 0 is not a positive or negative number." ??
package com.codegym.task.task04.task0428;
/*
Positive number
*/
import java.util.Scanner;
public class Solution {
public static void main(String[] args) throws Exception {
Scanner in = new Scanner(System.in);
int a = in.nextInt();
int b = in.nextInt();
int c = in.nextInt();
if (a >= 0 && b <= 0 && c <= 0){
System.out.println(1);
}
else if (b >= 0 && a <= 0 && c <= 0){
System.out.println(1);
}
else if (c >= 0 && a <= 0 && b <= 0){
System.out.println(1);
}
else if (a >= 0 && b >= 0 && c <= 0){
System.out.println(2);
}
else if (a >= 0 && c >= 0 && b <= 0){
System.out.println(2);
}
else if (c >= 0 && b >= 0 && a <= 0){
System.out.println(2);
}
else if (a >= 0 && b >= 0 && c >= 0){
System.out.println(3);
}
else if (a <= 0 && b <= 0 && c <= 0){
System.out.println(0);
}
}
}