using System;

public class Program

{

    public static void Main()

    {

string [] namess = new string [5] {

"Sergei", "Vasya", "Anders", "Oleg", "Kirill"};

        string [] zap = new string [5]{

", ", ", ", ", ",", ", " "};

int a = 0;

int c = 0;

while ((a < namess.Length) ||  (c <= zap.Length)){      

a++;

c++;

​

    Console.Write(namess[a]);

    Console.Write(zap[a]);

​

}

}

}