using System;

public class Program

{

    public static void Main()

    {

        int num, posnum = 0, negnum = 0, posmin = 0, negmax = 0;

        for (int i = 1; i <= 5; i++)

        {

            Console.WriteLine("Enter number");

            num = int.Parse(Console.ReadLine());

            if (num > 0)

                posnum = num;

            if (num < 0)

                negnum = num;

            if (posmin == 0 && num > 0)

                posmin = num;

            if (negmax == 0 && num < 0)

                negmax = num;

            if (posnum < posmin)

                posmin = posnum;

            if (negnum > negmax)

                negmax = negnum;

        }

        Console.WriteLine("Smallest positive number is " + posmin);

        Console.WriteLine("Largest negative number is " + negmax);

    }

}