public class MysteriousClass
{
   public static void main(String[] args)
   {
      int i = 20;
      int b = m2(i);
      System.out.println(b + i);
   }

   public static int m1(int i)
   {
      int n = 0;
      while (n * n <= i)
      {
         n++;
      }
      return n - 1;
   }

   public static int m2(int a)
   {
      int b = 0;
      for (int n = 0; n < a; n++)
      {
         int i = m1(n);
         b = b + i;
      }
      return b;
   }
}