I just do not know what to do pls help
package com.codegym.task.task04.task0429;
/*
Positive and negative numbers
*/
import java.io.*;
public class Solution {
public static void main(String[] args) throws Exception {
BufferedReader n = new BufferedReader(new InputStreamReader(System.in));
String ad = n.readLine();
int a = Integer.parseInt(ad);
String bd = n.readLine();
int b = Integer.parseInt(bd);
String cd = n.readLine();
int c = Integer.parseInt(cd);
int counterpos = 0;
int counterneg = 0;
if (a > 0){
counterpos++;
} else if (a < 0){
counterneg++;
} else if (b > 0){
counterpos++;
} else if (b < 0){
counterneg++;
} else if (c > 0){
counterpos++;
} else if (c < 0){
counterneg++;
System.out.println("Number of negative numbers: " + counterneg);
System.out.print("Number of positive numbers: " + counterpos);
}
}
}