using System;

using System.Collections.Generic;

public class Program

{

    public static void Main()

    {

        Dictionary <int, string> employeeData = new Dictionary<int, string>();

        employeeData.Add(1, "Manash");

        employeeData.Add(2, "Sandhya");

        employeeData.Add(3, "Harika");

        employeeData.Add(4, "Goutham");

        if(employeeData.ContainsKey(1))

        {

            Console.WriteLine(employeeData[1]);

        }

        foreach(var pair in employeeData)

        {

            Console.WriteLine(pair.Key+". "+pair.Value);

        }

    }

}