using System;

public class Program

{

    public static void Main()

    {

        int childrens;

        int seatsperbus;

        int numofbuses;

        int leftover;

        Console.WriteLine("How many kids are at school");

        childrens = Convert.ToInt32(Console.ReadLine());    

        Console.WriteLine("How many seats at each bus");

        seatsperbus = Convert.ToInt32(Console.ReadLine());

        numofbuses = childrens / seatsperbus;

            leftover = childrens % seatsperbus;

            if ( leftover>0)

            {

                numofbuses++;

            }

              Console.WriteLine("we need to order" + numofbuses +"buses");

​

    }

}