محاسبه سن تقریبی در آینده بر اساس سال تولد

using System;

class Program
{
    static void Main()
    {
        Console.Write("Enter your birth year: ");
        int birthYear = int.Parse(Console.ReadLine()!);

        Console.Write("How many years ahead? ");
        int yearsAhead = int.Parse(Console.ReadLine()!);

        int currentYear = DateTime.Today.Year;

        if (birthYear <= 0 || birthYear > currentYear || yearsAhead < 0)
        {
            Console.WriteLine("Invalid input.");
        }
        else
        {
            int age = currentYear - birthYear + yearsAhead;
            Console.WriteLine($"\nYour age in {yearsAhead} years will be about {age}.");
        }
    }
}

from datetime import date

birth_year = int(input("Enter your birth year: "))
years_ahead = int(input("How many years ahead? "))

current_year = date.today().year

if birth_year <= 0 or birth_year > current_year or years_ahead < 0:
    print("Invalid input.")
else:
    age = current_year - birth_year + years_ahead
    print(f"\nYour age in {years_ahead} years will be about {age}.")