using System;

public class Contact
{
    public string FirstName { get; set; }
    public string LastName { get; set; }
    public string PhoneNumber { get; set; }
    public string CellPhoneNumber { get; set; }
}

public class ContactDataModel
{
    public string firstName { get; set; }
    public string lastName { get; set; }
    public string phone { get; set; }
    public string mobilePhone { get; set; }
}

public class Address
{
    public string Address1 { get; set; }
    public string Address2 { get; set; }
    public string City { get; set; }
    public string State { get; set; }
    public string ZipCode { get; set; }
}
public class AddressDataModel
{
    public string address1 { get; set; }
    public string address2 { get; set; }
    public string city { get; set; }
    public string state { get; set; }
    public string zip { get; set; }
}

public static class ModelMapper {

    public Contact MapContactDataModelToContact()
    {
        var contact = new Contact();

        FirstName = firstName;
        LastName = lastName;
        PhoneNumber = phoneNumber;
        CellPhone = mobilePhone;

        return contact;
    }
}