binary variable in union and unity

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
namespace ConsoleApplication1
{
  class Program
  {
    static void Main(string[] args)
    {
      CBoolOperate.main();
      Console.ReadLine();
    }
  }
}

public class CBoolOperate
{
  int[] a = null;
  int[] b = null;
  int[] c = null;
  CBoolOperate()//default constructor
  {
  }

  ~CBoolOperate()//default destructor
  {
  }

  public void get()
  {
    this.a = new int[5];
    this.b = new int[5];
    this.c = new int[5];

    Console.WriteLine("please enter first 5 binary digit\n");
    for (int i = 0; i < 5; i++)
    {
      a[i] = Convert.ToInt32(Console.ReadLine());
    }

    Console.WriteLine("please enter first 5 binary digit\n");
    for (int i = 0; i < 5; i++)
    {
      b[i] = Convert.ToInt32(Console.ReadLine());
    }
  }

  public void union()//A member function
  {
    Console.WriteLine("result of union for numbers");
    for (int i = 0; i < 5; i++)
    {
      if (a[i] == 1 || b[i] == 1)
        c[i] = 1;
      else
        c[i] = 0;
      
      Console.WriteLine(c[i]);
    }

    Console.WriteLine("");
  }

  public void and()//A member function
  {
    Console.WriteLine("result of and for numbers");
    for (int i = 0; i < 5; i++)
    {
      if (a[i] == 1 && b[i] == 1)
        c[i] = 1;
      else
        c[i] = 0;

      Console.WriteLine(c[i]);
    }

    Console.WriteLine("");
  }

  public static int main()
  {
    CBoolOperate r=new CBoolOperate();
    r.get();
    r.union();
    r.and();
    return 0;
  }
}