import java.io.*;

public class Solution
{
    public static void main(String[] args) throws Exception
    {
        // program reads numbers from keyboard
        BufferedReader reader = new BufferedReader(new InputStreamReader(System.in));

        int neg = 0;
        int pos = 0;

        while (true)
        {
            String s = reader.readLine();
            if (s.equals("")) break;
            int number = Integer.parseInt(s);

            //display # negative #s

            if (number < 0) neg++;

            //display # positive #s

            if (number > 0) pos++;


        }

        System.out.println("Number of negative numbers: " + neg);
        System.out.println("Number of positive numbers: " + pos);

    }

}