retirement

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

namespace Retirement
{
    class Retirement
    {
        static void Main(string[] args)
        {
            string sex = Console.ReadLine();
            int age = int.Parse(Console.ReadLine());
            int internship = int.Parse(Console.ReadLine());

            if (sex == "male")
            {
                if (age >= 64)
                {
                    if (internship >= 38)
                    {
                        Console.WriteLine($"Ready to retire at {age} and {internship} years of experience!");
                    }
                    else if (internship < 38 && internship >= 0)
                    {
                        Console.WriteLine($"Old enough, but haven't worked enough. Work experience left to retirement: {38 - internship}.");
                    }
                }
                else // when age < 64
                {
                    if (internship >= 38)
                    {
                        Console.WriteLine($"Worked enough, but not old enough. Years left to retirement: {64 - age}.");
                    }
                    else
                    {
                        Console.WriteLine($"Too early. Years left to retirement: {64 - age}. Work experience left to retirement: {38 - internship}.");
                    }
                }
            }
            else if (sex == "female")
            {
                if (age >= 61)
                {
                    if (internship >= 35)
                    {
                        Console.WriteLine($"Ready to retire at {age} and {internship} years of experience!");
                    }
                    else if (internship < 35 && internship >= 0)
                    {
                        Console.WriteLine($"Old enough, but haven't worked enough. Work experience left to retirement: {35 - internship}.");
                    }
                }
                else // when age < 61
                {
                    if (internship >= 35)
                    {
                        Console.WriteLine($"Worked enough, but not old enough. Years left to retirement: {61 - age}.");
                    }
                    else
                    {
                        Console.WriteLine($"Too early. Years left to retirement: {61 - age}. Work experience left to retirement: {35 - internship}.");

                    }
                }
            }
            else
            {
                Console.WriteLine("Invalid input.");
            }
        }
    }
}