using System;
using System.Collections;
using System.Collections.Generic;
class Example
{ public static void Main()
  { Random r = new Random();
    List<int> l = new List<int>(5);
    for (int j=0; j<5; j++)
    { l.Add(r.Next(20));
      Console.Write("{0} ",l[j]);
    }
    int s=0;
    for (int j = 0; j < l.Count; j++)
    { int b=l[j];
      while (b > 0)
      { s += b%10;
        b = (b-b%10)/10;
      }  
    }
    Console.WriteLine("\nШукана сума цифр: {0} ",s);
  }
}