using System;

public class Program

{

    public static void Main()

    {

        Console.WriteLine("please enter number");

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

        int[] cob=new int[7];

        Random rnd=new Random();

        for (int i=1; i<=num; i++)

        {

            int n1=rnd.Next(1,7);

            cob[n1]++;

        }

        for (int i=1; i<cob.Length; i++)

            Console.WriteLine("num of cob {0}: {1}",i,cob[i]);

    }

}