//Problem 6
using System;
public class Addition
{
public static void Main()
int number1;
int sum;
Console.Write("Enter your year of birth: ");
number1 = int.Parse(Console.ReadLine());
DateTime now =
DateTime.Now
;
int year = now.Year;
sum = year - number1;
double average = (double)sum / 87;
Console.WriteLine("you have achieved {0:#0.#%} of your life expectancy",average);
}