Hangman simple

using System;

namespace ConsoleApp1
{
    class Program
    {
        public void Main(string[] args)
        {
            Console.WriteLine("Poses lekseis thes na dwseis?");
            int n = int.Parse(Console.ReadLine());

            string[] pinakas = new string[n];

            Console.WriteLine("Poies {0} lekseis thes?", n);

            for (int i=0; i<n; i++)
            {
                pinakas[i] = Console.ReadLine();
            }

            Random rnd = new Random();
            int num = rnd.Next(0, n);

            string word = pinakas[num];
            char[] guess = new char[word.Length];

            int lives = 6;

            Console.WriteLine("Dwse ena gramma");
            for (int i = 0; i < word.Length; i++)
            {
                guess[i] = '_';
            }

            while (true)
            {
                char userInput = char.Parse(Console.ReadLine());
                for (int j = 0; j < word.Length; j++)
                {
                    if (userInput == word[j])
                    {
                        guess[j] = userInput;
                    }
                    else
                    {
                        Console.WriteLine("Wrong input. You have {0} remaining lives", lives);
                        lives--;
                    }
                }
                Console.Write(guess);
            }
        }
    }
}