034.cpp

#include <iostream>
using namespace std;

unsigned
factorial (unsigned short x)
{
  unsigned product = 1;
  for (unsigned short k = 2; k <= x; k++)
    product *= k;
  return product;
}

unsigned
f (unsigned x)
{
  unsigned sum_of_factorial = 0;
  while (x > 0)
    {
      sum_of_factorial += factorial (x % 10);
      x /= 10;
    }
  return sum_of_factorial;
}

int
main ()
{
  unsigned sum = 0;
  for (unsigned x = 11; x < 1000000; x++)

    if (f (x) == x)
      sum += x;

  cout << sum << endl;
  return 0;
}