Why isn't this code working??

Question

I am confused and annoyed

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace SoloLearn
{
class Program
{
static void Main(string[] args)
{
string yourName;
Console.WriteLine("What is your name?");
yourName = Console.ReadLine();

Console.WriteLine("Hello {0}", yourName);
string yourAge;
Console.WriteLine("how old are you?");

yourAge = Console.ReadLine();

Console.WriteLine("Oh you are {1}", yourAge);
}
}
}

Answer 1

It should be
Console.WriteLine("Oh you are {0}", yourAge);

Pay attention to the index 0.

PLEASE LINK YOUR CODE INSTEAD OF PASTING IT IN THE DESCRIPTION. This way, it will be mire readable and people can actually test it