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);

​

}

}