using System;

public class Program

{

    public static void Main()

    {

        int k = 19;

        int[] arr = new int[] {5,2,1};

        foreach(int num in arr)

        {

            int times = (k - (k % num)) / num;

            k -= num * times;

            if(times == 0)

                continue;

            Console.WriteLine(num+ " => " + times + " times");

            if(k == 0)

                break;

        }

    }

}