using System;

public class Program

{

    public static void Main()

    {

//1

    /*  int num1=6,num2=7;

        Console.WriteLine("The tow numbers are: {0} {1} {3}", num1, num2);

        int x = -15;

        if(x>0){

            Console.WriteLine("Positive");

        }else{

            Console.WriteLine("not positive");

        }

        */

//2 

        int Cnum;

        int chairs;

        int ss;

        Console.WriteLine("How many seats are there in one spaceship?");

        chairs = int.Parse(Console.ReadLine());

        Console.WriteLine("How many students are you?");

        Cnum = int.Parse(Console.ReadLine());

            ss = Cnum/chairs;

            if(chairs*ss!=Cnum){

                ss+=1;

            }

        Console.WriteLine("you have "+Cnum+" students, and "+chairs+" seats in one spaceship...\nso you need: "+ss+" spaceships");

//3     

    }

}