using System;
public class Program
{
static void main (string [] args) {
int p = 0;
int n = 0;
Console.WriteLine("Enter numbers" );
for (int counter = 0; ; counter++) {
int input = int.Parse(Console.ReadLine()) ;
if (input == 0) {
break;
}
else if (input > 0) {
p++;
else if (input < 0) {
n++;
} //end of for loop
Console.WriteLine("positive numbers = " + p);
Console.WriteLine("negative numbers = " + n);