using System;

​

public class Program

{

    public static void Main()

    {

    int basaInt = 5;

int multiInt = basaInt * 2;

int add10Int = basaInt + 10;

int sub30Int = basaInt - 30;

Console.WriteLine(sub30Int);

Console.WriteLine(add10Int);

Console.WriteLine(multiInt);

Console.WriteLine("1." + multiInt + "2." + add10Int + "3." + sub30Int);

​

//2

string number= Console.ReadLine("write 4 numbers:");

int numberToInt=int.Parse(number);

Console.WriteLine(numberToInt %10);

Console.WriteLine(numberToInt / 10);

Console.WriteLine(numberToInt % 10);

Console.WriteLine(numberToInt / 10);

Console.WriteLine(numberToInt % 10);

​

    }

}