using System;

using System.Collections.Generic;

using System.Linq;

public class Program

{

    public static void Main()

    {

        int[] numbers = { 3, 5, 7 };

        string[] words = { "three", "five", "seven", "ignored" };

        IEnumerable<string> zip = numbers.Zip (words, (n, w) => n + "=" + w);

        foreach(var item in zip)

        {

            Console.WriteLine(item);

        }

    }

}