using System;

namespace app3
{
    class app3{
        static void Main(string[]args)
        {
            int i= 0;
            while(i<3)
            {
                Console.WriteLine("hello world");
                i++;
            }
            {
                int j = 0;
                while(j<3)
                {
                    Console.WriteLine("ANup Kumar TIrkey is a Mechanical Engineer");
                    j++;
                }
            }
            {
                int k = 0;
                while(k<3)
                {
                    Console.WriteLine("Anup Tirkey is a Civil Officer");
                    k++;
                }
            }
        }
    }
}