using System;
class HelloWorld {
static void Main() {
string[] tab = { "komp-2010", "lap-2019", "ps-2014", "xbox-2018", "pralka-2020", "lodowka-2021" };
for(int i=0; i<tab.Length; i++)
{
string[] subs = tab[i].Split('-');
Console.WriteLine($"Dla produktu: {subs[0]}");
int span = DateTime.Now.Year - Convert.ToDateTime($"1/1/{subs[1]}").Year;
string year_pl = (span <= 1) ?
((span == 0) ? "nie uplynol jeszcze rok" : "uplynol rok") :
(span < 5) ? $"uplynely {span} lata" : $"uplynelo {span} lat";
Console.WriteLine($"Od daty zakupu {year_pl}\n");
}
Console.ReadLine();
}
}