using System;

​

public class RegistrationApp

{

    public static void Main()

    {

        Console.Write("Please input the amout of persons: ");

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

​

        string[] names = new string[numberOfPersons];

        int[] ages = new int[numberOfPersons];

​

        for (int i = 0; i < numberOfPersons; i++)

        {

            Console.Write("Enter name for person " + (i + 1) + ": ");

            names[i] = Console.ReadLine();

​

            Console.Write("Enter age for person " + (i + 1) + ": ");

            ages[i] = int.Parse(Console.ReadLine());

        }

​

        Console.WriteLine("\n Displaying all entries:");

        for (int i = 0; i < numberOfPersons; i++)

        {

            Console.WriteLine(names[i] + " - " + ages[i + "years old" ]);

        }

    }

}

​