using System;
using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace Rextester
{
    public class Program
    {
        public static void Main(string[] args)
        {
            double[] a = new double[30];
            int [] b = new int[30];
            double[] c = new double[30];
            int i, n1, n2, n3;
            double x;
            Console.Write("vvedite n1:");
            Console.WriteLine();
            n1 = int.Parse(Console.ReadLine());
            Console.Write("vvedite n2:");
            n2 = int.Parse(Console.ReadLine());
            Console.Write("vvedite n3:");
            n3 = int.Parse(Console.ReadLine());
            Console.WriteLine();
                if (( n1 == n2)&&(n1 == n3)) {
                Console.Write("nuzhno vvesti raznie n"); return; }
            Random rand = new Random();
            for (i=0; i< n1; i++)
            {
                b[i] = rand.Next(-15, 15);
                Console.Write("b[" + i + "]= " + b[i].ToString());
                Console.WriteLine();
            }
            Console.WriteLine();

           for (i=0; i<n2; i++)
           {
               try
               {
                   for (x = - 2; x <=4; x= x + 0.3)
                   {
                     a[i] = Math.Log(1/(x+1));
                   }
               catch(IndexOutOfRangeException)
               {
                   a[i] =0;
               }
                   catch(DivideByZeroException)
                   {
                       a[i] =0;
                   }
                   Console.Write("a[" + i + "]= " + a[i].ToString());
                Console.WriteLine();
               }
                Console.WriteLine();
               for( i=0; i<n3; i++)
               {
                   try
                   {
                       c[i] = a[i]/b[i+1];
                   }
                  catch(IndexOutOfRangeException)
               {
                   c[i] =0;
               }
                   catch(DivideByZeroException)
                   {
                       c[i] =0;
                   }

               Console.Write("c[" + i + "]= " + c[i].ToString());
               Console.WriteLine();

               }
               Console.ReadLine();

        }
    }
}