using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;

namespace CB.Common
{
    public static class Dlt
    {
        public static string Gethz(int[] kjh)
        {
            return kjh.Sum().ToString();
        }

        public static string GetSpan(int[] kjh)
        {
            return (kjh.Max() - kjh.Min()).ToString();
        }

        public static string Geteo(int[] kjh)
        {
            int e = 0;
            int o = 0;
            foreach (int item in kjh)
            {
                if (item % 2 == 0)
                {
                    o++;
                }
                else 
                {
                    e++;
                }
            }
            return e.ToString()+":"+o.ToString();
        }
    }
}